# List of Catholic saints

This is an incomplete list of humans and angels whom the Catholic Church has canonized as saints. According to Catholic theology, all saints enjoy the beatific vision. Many of the saints listed here are to be found in the General Roman Calendar, while others may also be found in the Roman Martyrology; still others are particular to local places and their recognition does not extend to the larger worldwide church.
Candidates go through the following four steps on the way to being declared saints.
Catholics by stage of sainthood :
| Candidates | Candidates | Proclaimed | Proclaimed |
| Servants of God | Venerated Catholics | Beatified people | Saints |
| by nationality | by nationality | by nationality | by nationality |
| by religious order | by religious order | by religious order | by religious order |
| proclaimed by local bishop | by pope proclaimer | by pope proclaimer | by pope proclaimer |
| popes | popes | popes | popes |
People also accepted as saints in the Eastern Orthodox Church and other churches are listed in Category:Christian saints by century and/or Category:Christian saints by nationality.

## Catholic saints

* Top
* A
* B
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* D
* E
* F
* G
* H
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* Q
* R
* S
* T
* U
* V
* W
* Z
| Saint | Date of birth | Date of death | Date of canonization | Notes |
| Aaron of Aleth | unknown | after 552 | | Hermit |
| Abachum | 200s | 270 | found in Roman Martyrology | |
| Abadiu of Antinoe | 300s | 300s | | |
| Abamun of Tarnut | 300s | 372 | | Martyr |
| Abanoub | 300s | 300s | | Coptic child martyr |
| Abbán | unknown | c. 520 | | |
| Abo of Tiflis | unknown | 6 January 786 | | Martyr |
| Abbo of Fleury | 945 | 13 November 1004 | | Assisted Archbishop of Oswald |
| Abdas of Susa | 300s | 420 | | |
| Abdel Moati Massabki | 1800s | 10 July 1860 | 20 October 2024 by Pope Francis | |
| Abdon | 100s | c. 250 | found in Roman Martyrology | |
| Abel of Reims | unknown | c. 751 | | |
| Abercius of Hieropolis | unknown | c. 167 | found in Roman Martyrology | |
| Aberoh and Atom | unknown | unknown | | Brothers |
| Abhor and Mehraela | unknown | unknown | | Brother and sister |
| Abibus of Edessa | 307 | 322 | | |
| Abra of Poitiers | 12 December 339 | c. 360 | | |
| Abraham Kidunaia | unknown | c. 360 | | |
| Abraham of Arbela | unknown | 345 | | |
| Abraham of Clermont | unknown | c. 479 | | |
| Abraham of Cratia | c. 474 | c. 558 | | |
| Abraham of Cyrrhus | c. 350 | 422 | | |
| Abraham of Rostov | 900s | 1045–1074 | | |
| Abraham of Smolensk | 1150 or 1172 | c. 1222 | 1549 by Pope Paul III | |
| Abran | 500s | 500s | | |
| Abrosima | 200s | 341 | | |
| Absadah | 200s | c. 300 | | |
| Abudimus | 200s | 305 | found in Roman Martyrology | |
| Abundius | 400s | 469 | found in Roman Martyrology | |
| Acca of Hexham | c. 660 | c. 742 | | |
| Aceolus and Acius | unknown | c. 290 | | |
| Acepsimas of Hnaita | unknown | 10 October 376 | found in Roman Martyrology | |
| Acestes | unknown | c. 65 | | One of the soldiers who led Paul the Apostle to his death |
| Achillas of Alexandria | unknown | June 313 | | Patriarch of Alexandria |
| Achilleus | 0s | c. 100 AD | found in Roman Martyrology | |
| Achilleus Kewanuka | 1869 | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Achillius of Larissa | 200s | 330 | | |
| Acisclus | 200s | 304 | | |
| Adalard of Corbie | 751 | 2 January 827 | 1026 by Pope John XIX | |
| Adalbard | 600s | 652 | | |
| Adalbero II of Metz | c. 958 | 14 December 1005 | | |
| Adalbero of Wurzburg | c. 1010 | 6 October 1090 | 1883 by Pope Leo XIII | |
| Adalbert of Magdeburg | c. 910 | 20 June 981 | | Archbishop of Magdeburg |
| Adalbert of Prague | 956 | 23 April 997 | 3 February 999 by Pope Sylvester II | His skull is preserved and kept in the St. Vitus cathedral |
| Adalgar | 900s | 9 May 909 | | Archbishop of Bremen |
| Adalgott II of Disentis | 1100s | 1165 | | Bishop of Chur |
| Adamo Abate | c. 990 | 3 May 1060–1070 | | Professed religious of the Benedictines |
| Adauctus | 200s | 303 | | Martyred with Felix |
| Adela of France | 1009 | 8 January 1079 | | Wife of Richard III and Baldwin V |
| Adela of Normandy | c. 1067 | 8 March 1137 | | Daughter of William the Conqueror |
| Adela of Pfalzel | unknown | 735 | | Sister of Irmina of Oeren |
| Adelaide of Italy | 931 | 16 December 999 | 1097 by Pope Urban II | Married layperson of the Archdiocese of Burgundy, queen of Italy and Burgundy, empress |
| Adelaide, Abbess of Vilich | c. 970 | 5 February 1015 | | Professed religious of the Benedictine nuns |
| Adelelmus of Burgos | 1000s | 1100 | | |
| Adeloga of Kitzingen | unknown | c. 745 | | |
| Adheritus | 100s | unknown | | |
| Adjutor | 24 June 1073 | 30 April 1131 | | |
| Adolf of Osnabrück | c. 1185 | 30 June 1222 or 1224 | 1625 by Pope Urban VIII | |
| Adolphus Ludigo-Mkasa | c. 1861 | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Adomnán | c. 624 | 704 | | |
| Adrian and Natalia of Nicomedia | 200s | 4 March 306 | | Husband and wife |
| Adrian of Canterbury | c. 630 | c. 710 | | |
| Adrian van Hilvarenbeek | 1528 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Adulf | unknown | c. 680 | | |
| Aedesius of Alexandria | 200s | 8 April 306 | found in Roman Martyrology | |
| Ælfheah of Canterbury | c. 953 | 19 April 1012 | 1078 by Pope Gregory VII | Archbishop of Canterbury, Bishop of Winchester |
| Ælfwold II | unknown | 1058 | | Bishop of Sherborne |
| Aelred of Rievaulx | 1110 | 12 January 1167 | | |
| Afan | unknown | 500s | | |
| Afra | 291 | 304 | found in Roman Martyrology | Virgin, martyr |
| Africus | 600s | 600s | | |
| Agabus | unknown | unknown | | |
| Agapitus | unknown | 6 August 258 | found in Roman Martyrology | |
| Agapius, Atticus, Carterius, Styriacus, Tobias, Eudoxius, Nictopolion, and companions | unknown | 315 | | |
| Agatha Kwon Chin-i | 1820 | 1840 | 1984 by Pope John Paul II | One of the Korean Martyrs |
| Agatha Lin | 1817 | 1858 | 2000 October 1 by Pope John Paul II | |
| Agatha of Sicily | c. 231 | c. 251 | found in Roman Martyrology | Martyr; patron saint of breast cancer patients, martyrs, wet nurses, bell-founders, bakers, fire, earthquakes, and eruptions of Mount Etna |
| Agatha Yi Kyong-i | 1814 | 1840 | 1984 May 6 by Pope John Paul II | One of the Korean Martyrs |
| Agathangelus of Rome | 200s | c. 312 | found in Roman Martyrology | |
| Agathius | 200s | c. 303 | found in Roman Martyrology | |
| Agathoclia | unknown | c. 230 | | |
| Agathon of Scetis | 300s | c. 435 | | |
| Agathonicus | 200s | 200s | | |
| Agathopodes | unknown | 150 | found in Roman Martyrology | |
| Agilbert | 600s | 600s | | |
| Agilberta | unknown | 680 | | |
| Agilulfus of Cologne | unknown | c. 750 | | |
| Agilus | c. 580 | c. 650 | | |
| Agnellus of Naples | 535 | 14 December 596 | | |
| Agnellus of Pisa | c. 1195 | 7 May 1236 | 1882 by Pope Leo XIII | |
| Agnes of Assisi | c. 1197 | 16 November 1253 | 1753 by Pope Benedict XIV | Younger sister of St. Clare of Assisi |
| Agnes of Bohemia | 20 June 1211 | 2 March 1282 | 12 November 1989 by Pope John Paul II | |
| Agnes of Montepulciano | 28 January 1268 | 20 April 1317 | 10 December 1726 by Pope Benedict XIII | |
| Agnes of Poitiers | unknown | 586 | | |
| Agnes of Rome | unknown | 304 | found in Roman Martyrology | Virgin, martyr |
| Agnes Tsao Kou Ying | 28 April 1821 | 1 March 1856 | 1 October 2000 by Pope John Paul II | |
| Agobard | c. 769 | 840 | | |
| Agostina Livia Pietrantoni | 27 March 1864 | 13 November 1894 | 18 April 1999 by Pope John Paul II | She was killed by a patient she was taking care of |
| Agostino Roscelli | 27 July 1818 | 7 May 1902 | 10 June 2001 by Pope John Paul II | |
| Agricius of Trier | c. 260 | 329, 333 or 335 | found in Roman Martyrology | |
| Agricola | 200s | c. 304 | found in Roman Martyrology | |
| Agricola of Avignon | c. 630 | c. 700 | | |
| Agrippina of Mineo | 200s | 262 | 783 | |
| Agrippinus of Naples | 200s | 200s | | |
| Agustín Caloca Cortés | 5 May 1898 | 25 May 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Aibert | 1060 | 7 April 1140 | | |
| Aichardus | unknown | 687 | | |
| Aidan of Lindisfarne | c. 590 | 31 August 651 | | |
| Aignan of Orleans | c. 358 | 453 | | |
| Ailbe of Emly | 400s | 528 | | |
| Aileran | unknown | 29 December 664 or 665 | | |
| Aimo | unknown | 1173 | | |
| Alban | unknown | 22 June 209, 251, or 304 | found in Roman Martyrology | |
| Alban of Mainz | 300s | 400s | | |
| Alban Roe | 20 July 1583 | 21 January 1642 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Alberic Crescitelli | 30 June 1863 | 21 July 1900 | 1 October 2000 by Pope John Paul II | One of the Martyrs of China |
| Alberic of Cîteaux | 1000s | 26 January 1109 | | |
| Alberic of Utrecht | unknown | 21 August 784 | | |
| Albert Chmielowski | 20 August 1845 | 25 December 1916 | 12 November 1989 by Pope John Paul II | |
| Albert of Genoa | unknown | 1239 | | |
| Albert of Louvain | c. 1166 | 24 November 1192 | 9 August 1613 by Pope Paul V | Murdered by three German knights shortly after becoming Bishop of Liège and regarded as a martyr afterwards. |
| Albert of Montecorvino | unknown | 1127 | | |
| Albert of Trapani | c. 1240 | 7 August 1307 | 31 May 1476 by Pope Sixtus IV | |
| Albert of Vercelli | 1100s | 14 September 1214 | | Also known as Albert of Jerusalem |
| Alberto Hurtado Cruchaga | 22 January 1901 | 18 August 1952 | 23 October 2005 by Pope Benedict XVI | |
| Albertus Magnus | before 1200 | 15 November 1280 | 16 December 1931 by Pope Pius XI | |
| Albinus of Angers | c. 470 | 550 | | Invoked against pirate attacks |
| Alchmund of Hexham | unknown | 7 September 780 or 781 | | |
| Alcuin | c. 735 | 19 May 804 | | Played an important role in the development of the Carolingian minuscule |
| Aldebrandus | 1119 | 30 April 1219 | | Bishop of Fossombrone |
| Aldegund | 639 | 684 | | |
| Aldhelm | c. 639 | 25 May 709 | | |
| Alena | unknown | c. 640 | | |
| Alexander | 100s | 177 | found in Roman Martyrology | |
| Alexander I of Alexandria | unknown | 26 February or 17 April 326 or 328 | | Pope of Alexandria |
| Alexander II of Alexandria | unknown | 14 February 729 | | Pope of Alexandria |
| Alexander Briant | 17 August 1556 | 1 December 1581 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Alexander of Comana | unknown | c. 250 | | |
| Alexander of Constantinople | 237–245 | 337 | found in Roman Martyrology | Archbishop of Constantinople |
| Alexander of Jerusalem | 100s | 251 | found in Roman Martyrology | |
| Alexander Sauli | 15 February 1534 | 11 October 1592 | 11 December 1904 by Pope Pius X | |
| Alexis Falconieri | 1200s | 17 February 1310 | 15 January 1888 by Pope Leo XIII | One of the Seven Holy Founders of the Servite Order |
| Alexius of Rome | 300s | 400s | found in Roman Martyrology | |
| Alfonso Maria Fusco | 23 March 1839 | 6 February 1910 | 16 October 2016 by Pope Francis | |
| Alfonso Rodríguez Olmedo | 10 March 1598 | 15 November 1628 | 16 May 1988 by Pope John Paul II | |
| Alice of Schaerbeek | c. 1220 | 11 June 1250 | 1907 by Pope Pius X | |
| Alkmund of Derby | c. 770 | 800 | | Killed by Eardwulf of Northumbria |
| Almus | unknown | 1270 | | |
| Alonso de Orozco Mena | 17 October 1500 | 19 September 1591 | 19 May 2002 by Pope John Paul II | |
| Aloysius Gonzaga | 9 March 1568 | 21 June 1591 | 31 December 1726 by Pope Benedict XIII | |
| Alphonsa | 19 August 1910 | 28 July 1946 | 12 October 2008 by Pope Benedict XVI | She was the first woman of Indian origin to be canonised as a saint by the Catholic Church |
| Alphonsus Liguori | 27 September 1696 | 1 August 1787 | 26 May 1839 by Pope Gregory XVI | Doctor of Church |
| Alphonsus Rodriguez | 25 July 1532 | 31 October 1617 | 15 January 1888 by Pope Leo XIII | |
| Alto of Altomünster | unknown | c. 760 | | |
| Alypius of Thagaste | 400s | 500s | 1584 by Pope Gregory XIII | |
| Amabilis of Riom | unknown | c. 475 | | |
| Amadio degli Amidei | 1200s | 1266 | 15 January 1888 by Pope Leo XIII | One of the Seven Holy Founders of the Servite Order |
| Amalberga of Maubreuge | 600s | c. 690 | | |
| Amalberga of Temse | c. 741 | 10 July 772 | | |
| Amandus | 584 | 679 | 1584 by Pope Gregory XIII | |
| Amantius of Como | 300s | 8 April 448 | found in Roman Martyrology | |
| Amata of Assisi | 1200s | 1250 | | |
| Amato Ronconi | 1225 | 8 May 1292 | 23 November 2014 by Pope Francis | |
| Amator | 300s | 1 May 418 | found in Roman Martyrology | |
| Amatus | unknown | 627 | 3 December 1049 by Pope Leo IX | |
| Ambrose Barlow | 1585 | 10 September 1641 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Ambrose of Alexandria | 100s | c. 250 | | |
| Ambrose of Milan | c. 340 | 4 April 397 | found in Roman Martyrology | |
| Ambrósio Francisco Ferro | unknown | 3 October 1645 | 15 October 2017 by Pope Francis | |
| Ambrosio Kibuuka | 1868 | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Ampelus | 200s | 302 | found in Roman Martyrology | |
| Amphibalus | 200s | 25 June 304 | | |
| Amun | 200s | 300s | | |
| Amunia of San Millán | unknown | 1069 | | |
| Ananias of Damascus | unknown | unknown | | Disciple of Jesus |
| Anastasia | 0s | 68 AD | found in Roman Martyrology | |
| Anastasia of Sirmium | 200s | 25 December 304 | found in Roman Martyrology | |
| Anastasia the Patrician | 500s | 500s | | |
| Anastasius of Antioch | 200s | 302 | found in Roman Martyrology | |
| Anastasius of Pavia | 600s | 680 | found in Roman Martyrology | |
| Anastasius of Persia | 500s | 22 January 628 | found in Roman Martyrology | |
| Anastasius of Suppentonia | 500s | 570 | found in Roman Martyrology | |
| Anastasius Sinaita | 600s | 700s | found in Roman Martyrology | |
| Anastasius the Fuller | 200s | 304 | found in Roman Martyrology | |
| Anatoli Kiriggwajjo [sw] | 1800s | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Anatolia | 200s | 250 | found in Roman Martyrology | |
| Anatolius of Laodicea | 200s | 3 July 283 | found in Roman Martyrology | Invented the first Metonic 19-year lunar cycle in the 270s |
| André Bessette | 9 August 1845 | 6 January 1937 | 17 October 2010 by Pope Benedict XVI | |
| André de Soveral | c. 1572 | 16 July 1645 | 15 October 2017 by Pope Francis | |
| André-Hubert Fournet | 6 December 1752 | 13 May 1834 | 4 June 1933 by Pope Pius XI | Priest of the Diocese of Poitiers; founder of the Sisters of the Cross |
| Andrea Dotti | 1256 | 31 August 1315 | 29 November 1806 by Pope Pius VII | |
| Andrew Avellino | 1521 | 10 November 1608 | 22 May 1712 by Pope Clement XI | |
| Andrew Bobola | 1591 | 16 May 1657 | 17 April 1938 by Pope Pius XI | Professed priest of the Jesuits; martyr |
| Andrew Corsini | 30 November 1302 | 6 January 1374 | 22 April 1629 by Pope Urban VIII | |
| Andrew Dũng-Lạc | 1795 | 21 December 1839 | 19 June 1988 by Pope John Paul II | One of the Vietnamese Martyrs |
| Andrew Kaggwa | 1856 | 26 May 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Andrew Kim Taegon | 21 August 1821 | 16 September 1846 | 6 May 1984 by Pope John Paul II | One of the Korean Martyrs |
| Andrew of Crete | c. 650 | 4 July 712 or 726 or 740 | | |
| Andrew of Trier | unknown | 235 | | |
| Andrew Stratelates | 200s | 300 | | |
| Andrew the Apostle | c. 5 BC | 62 AD | found in Roman Martyrology | |
| Andrew the Scot | 800s | c. 877 | | |
| Andrew Wouters | 1542 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Andrew Zorard | c. 980 | c. 1009 | July 1083 by Pope Gregory VII | |
| Andronicus, Probus, and Tarachus | 200s | 304 | | |
| Angadrisma | 600s | c. 695 | | |
| Angela Merici | 21 March 1474 | 27 January 1540 | 24 May 1807 by Pope Pius VII | |
| Angela of Foligno | 1248 | 3 January 1309 | 9 October 2013 by Pope Francis | Her canonization was an "equivalent canonization" (without executing the ordinary judicial process of canonization). |
| Angela of the Cross | 30 January 1846 | 2 March 1932 | 4 May 2003 by Pope John Paul II | Founder of the Institute of the Sisters of the Company of the Cross |
| Angelelmus | unknown | 828 | | Bishop of Auxerre |
| Angelus of Jerusalem | 1185 | 5 May 1220 | c. 1459 by Pope Pius II | |
| Angilbert | 760 | 18 February 814 | 1100 by Pope Urban II | |
| Anianus of Alexandria | unknown | 29 November 83 | found in Roman Martyrology l | |
| Aniceto Adolfo | 4 October 1912 | 9 October 1934 | 21 November 1999 by Pope John Paul II | One of the Martyrs of Turon |
| Anna Maria Rubatto | 14 February 1844 | 6 August 1904 | 15 May 2022 by Pope Francis | |
| Anna Pak Agi | 1783 | 24 May 1839 | 6 May 1984 by Pope John Paul II | One of the Korean Martyrs |
| Anna Schäffer | 18 February 1882 | 5 October 1925 | 21 October 2012 by Pope Benedict XVI | |
| Anna the Prophetess | 1st century BC | 0s | found in Roman Martyrology | |
| Anna Wang | 1886 | 22 July 1900 | 1 October 2000 by Pope John Paul II | One of the Chinese Martyrs |
| Anne | c. 50 BC | 12 AD | found in Roman Martyrology | |
| Anne Line | c. 1563 | 27 February 1601 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Anne-Marie Rivier | 19 December 1768 | 3 February 1838 | 15 May 2022 by Pope Francis | |
| Annibale Maria di Francia | 5 July 1851 | 1 June 1927 | 16 May 2004 by Pope John Paul II | |
| Anno II | c. 1010 | 4 December 1075 | 29 April 1183 by Pope Lucius III | |
| Ansanus | c. 285 | c. 304 | found in Roman Martyrology | |
| Ansbert | unknown | c. 695 | | |
| Ansegisus | c. 770 | 20 July 833 or 834 | | |
| Anselm of Canterbury | c. 1033 | 21 April 1109 | 1163 by Pope Alexander III | Nickname — "Teddy" |
| Anselm of Lucca | 1036 | 18 March 1086 | | |
| Ansfried of Utrecht | unknown | 3 May 1010 | | |
| Ansgar | 8 September 801 | 3 February 865 | 1584 by Pope Gregory XIII | |
| Ansovinus | unknown | 816 | | |
| Anstrudis | unknown | 688 | | |
| Ansurius | unknown | 925 | | |
| Antanansio Bazzekuketta | 1800s | 27 May 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Anthelm of Belley | 26 December 1107 | 26 June 1178 | 1368 by Urban V | |
| Anthimus of Nicomedia | 200s | 303, 311, or 312 | found in Roman Martyrology | |
| Anthimus of Rome | 200s | 303 | found in Roman Martyrology | |
| Anthony Dainan | 1584 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Anthony Maria Zaccaria | 1502 | 5 July 1539 | 27 May 1897 by Pope Leo XIII | |
| Anthony Mary Claret | 23 December 1807 | 24 October 1870 | 7 May 1950 by Pope Pius XII | |
| Anthony of Antioch | 266 | 302 | found in Roman Martyrology | |
| Anthony of Hoornaar | 1500s | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Anthony of Kiev | 15 August 1195 | 13 June 1231 | found in Roman Martyrology | Russian Orthodox saint, founder of the Kiev Pechersk Lavra. |
| Anthony of Padua | 1 March 1389 | 2 May 1459 | 31 May 1523 by Pope Adrian VI | |
| Anthony of St. Ann Galvão | 1739 | 23 December 1822 | 11 May 2007 by Pope Benedict XVI | First Brazilian saint. Professed priest of the Franciscan Friars Minor. |
| Anthony of Weert | 1523 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Anthony the Great | 12 January 251 | 17 January 356 | found in Roman Martyrology | |
| Anthony the Hermit | c. 468 | c. 520 | 1584 by Pope Gregory XIII | |
| Anthusa of Constantinople | 750 or 757 | 801 or 808 | | Daughter of Constantine V |
| Antia of Illyria | unknown | c. 138 | found in Roman Martyrology | |
| Antiochus of Sulcis | 0s | c. 110 AD | found in Roman Martyrology | |
| Antipas of Pergamum | unknown | 0s | found in Roman Martyrology | |
| Antoine Daniel | 27 May 1601 | 4 July 1648 | 29 June 1930 by Pope Pius XI | One of the Canadian Martyrs |
| Antoninus of Florence | c. 983 | c. 1073 | 31 May 1532 by Pope Gregory IX | |
| Antoninus of Pamiers | unknown | unknown | | |
| Antoninus of Piacenza | 200s | 303 | found in Roman Martyrology | |
| Antoninus of Rome | 100s | 186 | found in Roman Martyrology | |
| Antoninus of Sorrento | 555 or 556 | 625 | | |
| Antonio Gonzalez | 1593 | 24 September 1637 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Antonio Maria Gianelli | 12 April 1789 | 7 June 1846 | 21 October 1951 by Pope Pius XII | Bishop of Bobbio; founder of the Daughters of Our Lady of the Garden |
| Antonio Maria Pucci | 16 April 1819 | 12 January 1892 | 9 December 1962 by Pope John XXIII | |
| Antonio of Tlaxcala | c. 1516 | 1529 | 15 October 2017 by Pope Francis | One of the Child Martyrs of Tlaxcala |
| Anysia of Salonika | 284 | 304 | found in Roman Martyrology | |
| Aphian | c. 287 | c. 305 | | |
| Aphrahat | c. 280 | c. 345 | found in Roman Martyrology | |
| Aphrodisius | 25 May 7 AD | 28 April 65 AD | found in Roman Martyrology | Priest of the Diocese of Béziers, martyr |
| Apollinaris Claudius | 0s | 100s | found in Roman Martyrology | |
| Apollinaris of Ravenna | unknown | c.79 AD | found in Roman Martyrology | |
| Apollinaris of Valence | c. 453 | c. 520 | | |
| Apollinaris Syncletica | unknown | 420 | | |
| Apollonia | 100s | 249 | found in Roman Martyrology | |
| Apollonius the Apologist | 100s | 21 April 185 | found in Roman Martyrology | |
| Apollos | 0s | 0s | | |
| Apphia | unknown | 68 AD | found in Roman Martyrology | |
| Apronia of Toul | 500s | 500s | | |
| Aprus of Toul | 600s | 15 September 507 | | |
| Aquilina | 281 | 13 June 293 | | Child martyr |
| Aquilinus of Évreux | c. 620 | 695 | found in Roman Martyrology | |
| Aquilinus of Fossombrone | unknown | 200s | found in Roman Martyrology | |
| Aquilinus of Milan | unknown | 1015 | | |
| Arbogast | unknown | c. 678 | | |
| Arcadius of Bourges | unknown | 549 | | |
| Arcadius of Mauretania | 200s | c. 302 | found in Roman Martyrology | |
| Arcangelo Tadini | 12 December 1846 | 20 May 1912 | 26 April 2009 by Pope Benedict XVI | |
| Archippus | unknown | 0s | found in Roman Martyrology | |
| Aredius | c. 510 | 591 | | |
| Arethas | unknown | c. 523 | | |
| Argeus of Tomi | 200s | c. 320 | found in Roman Martyrology | |
| Ariadne of Phrygia | unknown | 130 | found in Roman Martyrology | |
| Arialdo | c. 1010 | 27 June 1066 | | |
| Arilda of Oldbury | unknown | 400s or 500s | | |
| Aristides of Athens | unknown | unknown | | |
| Aristobulus of Britannia | unknown | 0s | | First Bishop of Roman Britain |
| Armogastes | unknown | after 460 | | |
| Arnold Janssen | 5 November 1837 | 15 January 1909 | 5 October 2003 by Pope John Paul II | |
| Arnold of Arnoldsweiler | 700s | 700s | | |
| Arnold of Soissons | 1040 | 1087 | 6 January 1120 by Pope Callixtus II | |
| Arnulf of Metz | c. 582 | c. 647 | | |
| Arsenius the Great | c. 350 | 445 | | Desert Father |
| Artaldus | 1101 | 1206 | | |
| Artémides Zatti | 12 October 1880 | 15 March 1951 | 9 October 2022 by Pope Francis | |
| Artemius | unknown | 362 | | |
| Arthelais | 544 | 560 | | |
| Asaph | 500s | 1 May 596 | found in Roman Martyrology | |
| Ascelina | 1121 | 1195 | | |
| Asclepiades of Antioch | unknown | 217 | | |
| Asella | c. 334 | c. 406 | | |
| Aspren | 0s | 100s | found in Roman Martyrology | |
| Assicus | unknown | c. 490 | | St. Patrick's coppersmith |
| Asteria of Bergamo | 200s | 307 | found in Roman Martyrology | |
| Asterius of Amasea | c. 350 | c. 410 | | |
| Asterius of Petra | unknown | 365 | found in Roman Martyrology | |
| Astius | 0s | 117 AD | found in Roman Martyrology | Bishop of Dyrrachium |
| Athanasia of Aegina | c. 790 | 14 August 860 | | |
| Athanasius I | 830 | 872 | | |
| Athanasius of Alexandria | 296–298 | 2 May 373 | found in Roman Martyrology | |
| Athanasius the Athonite | c. 920 | c. 1003 | | |
| Athelm | unknown | 8 January 926 | | |
| Athracht | 500s | 500s | | |
| Atilano Cruz Alvarado | 5 October 1901 | 1 July 1928 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Attala | unknown | 622 | | |
| Attilanus | 937 | 1007 | 1095 by Pope Urban II | |
| Audax | 200s | 250 | found in Roman Martyrology | |
| Audifax | 200s | 270 | found in Roman Martyrology | |
| Audoin | 609 | 24 August 684 | | |
| Augulus | unknown | unknown | | |
| Augusta of Treviso | unknown | unknown | | |
| Auguste Chapdelaine | 6 January 1814 | 29 February 1856 | | |
| Augustine of Canterbury | 500s | 26 May 604 | found in Roman Martyrology | Founder of the English church. First Archbishop of Canterbury A stone memorial, the St Augustine's Cross, was erected in Kent 1884, at the location where local legend recounted that St. Augustine first met King Ethelbert. |
| Augustine of Hippo | 13 November 354 | 28 August 430 | found in Roman Martyrology | |
| Augustine Webster | 1400s | 4 May 1535 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Augusto Andrés [es] | 6 May 1910 | 9 October 1934 | 21 November 1999 by Pope John Paul II | One of the Martyrs of Turon |
| Aurea of Ostia | unknown | 200s | | |
| Aurea of Paris | unknown | 666 | | |
| Áurea of San Millán | 1043 | 11 March 1070 | | |
| Aurelian of Limoges | unknown | unknown | | |
| Aurelius and Natalia | unknown | 852 | | Among the Martyrs of Cordoba |
| Aurelius of Carthage | unknown | 20 July 429 | | |
| Aureus of Mainz | unknown | 16 June 436 or 451 | | |
| Auspicius of Trier | unknown | c. 130 | found in Roman Martyrology | |
| Austrebertha | 630 | 10 February 704 | | |
| Austregisilus | unknown | 624 | | |
| Austromoine | 200s | 200s | | |
| Autonomus | 200s | c. 313 | found in Roman Martyrology | |
| Auxentius of Bithynia | c. 400 | 14 February 473 | | |
| Auxentius of Mopsuestia | unknown | 360 | | |
| Aventinus of Tours | unknown | 1180 | | |
| Avilius of Alexandria | unknown | 11 September 95 | | Patriarch of Alexandria |
| Avitianus | unknown | 325 | | |
| Avitus of Vienne | c. 450 | between 517-519 | | |
| Aye | unknown | c. 711 | | |
| Aymard of Cluny | unknown | 965 | | |
| Babylas of Antioch | unknown | 253 | | |
| Bacchus | unknown | 300s | found in Roman Martyrology | |
| Bademus | unknown | 10 April 376 | | |
| Baithéne mac Brénaind | c. 534 | c. 596-598 | | |
| Balbina of Rome | unknown | c. 130 | found in Roman Martyrology | |
| Balderic of Montfaucon | 600s | 600s | | |
| Baldred of Tyninghame | unknown | 6 March 757 | | |
| Baldwin of Rieti | unknown | 1140 | | |
| Balthild of Chelles | 626 or 627 | 30 January 680 | | |
| Baradates | unknown | c. 460 | | |
| Barbara | 200s | 200s–300s | found in Roman Martyrology | |
| Barbatus of Benevento | c. 610 | 682 | | |
| Barhadbesciabas | unknown | 20 July 355 | | |
| Barlaam and Josaphat | unknown | unknown | | |
| Barnabas | unknown | 61 AD | found in Roman Martyrology | |
| Barsanuphius | unknown | c. 545 | | |
| Barsimaeus | unknown | 114 | | |
| Bartholomew of Braga | 3 May 1514 | 16 July 1590 | 5 July 2019 (equipollent) by Pope Francis | |
| Bartholomew of Farne | unknown | 1193 | | |
| Bartholomew the Apostle | 0s | 0s | found in Roman Martyrology | |
| Bartolomea Capitanio | 13 January 1807 | 26 July 1833 | 18 May 1950 by Pope Pius XII | Cofounder of the Sisters of Charity of Saints Bartolomea Capitanio and Vincenzo Gerosa (Sisters of the Holy Child Mary) |
| Barulas | 200s | 303 | found in Roman Martyrology | |
| Basil of Amasea | unknown | 300s | found in Roman Martyrology | |
| Basil of Ancyra | unknown | 28 or 29 June 362 | found in Roman Martyrology | |
| Basil of Caesarea | 329 or 330 | 1 or 2 January 379 | found in Roman Martyrology | |
| Basil the Elder | unknown | 300s | found in Roman Martyrology | |
| Basilides | 200s | c. 303 | found in Roman Martyrology | |
| Basiliscus of Comana | 200s | c. 310 | | |
| Basilissa | 0s | 68 AD | found in Roman Martyrology | |
| Basilla of Rome | unknown | 257 | | |
| Bassianus of Lodi | c. 320 | c. 413 | | |
| Baudolino | c. 700 | c. 740 | | |
| Bavo of Ghent | 622 | 653 | found in Roman Martyrology | |
| Beatrice of Silva | c. 1424 | 16 August 1492 | 3 October 1976 by Pope Paul VI | |
| Beatrix | 200s | 302 or 303 | found in Roman Martyrology | |
| Beatus of Liébana | c. 750 | c. 800 | | |
| Beatus of Lungern | unknown | c. 112 | | |
| Bécán | 400s | 500s | | |
| Bede | c. 673 | 26 May 735 | found in Roman Martyrology | Also known as the Venerable Bede |
| Bega | unknown | unknown | | |
| Begga | 615 | 17 December 693 | | |
| Belina | unknown | 1153 | 1203 by Pope Innocent III | |
| Bellinus of Padua | unknown | 26 November 1145 | 1431–1447 by Pope Eugene IV | |
| Benedetta Cambiagio Frassinello | 2 October 1791 | 21 March 1858 | 19 May 2002 by Pope John Paul II | Founder of the Benedictine Sisters of Providence |
| Benedict Biscop | c. 628 | 12 January 690 | | |
| Benedict dell’Antella | 1200s | 20 August 1268 | 15 January 1888 by Pope Leo XIII | One of the Seven Holy Founders of the Servite Order |
| Benedict Joseph Labre | 25 March 1748 | 16 April 1783 | 8 December 1881 by Pope Leo XIII | |
| Benedict Menni | 11 March 1841 | 24 April 1914 | 21 November 1999 by Pope John Paul II | |
| Benedict of Aniane | 747 | 12 February 821 | | |
| Benedict of Cagliari | unknown | 1112 | | |
| Benedict of Nursia | 2 March 480 | 21 March 547 | 1220 by Pope Honorius III | |
| Benedict of Szkalka | 900s | 1012 | 1083 or 1085 by Pope Gregory VII | |
| Benedict the Moor | 1526 | 4 April 1589 | 24 May 1807 by Pope Pius VII | |
| Bénézet | 1163 | 1184 | 13th century | Patron saint of Avignon, bachelors, and bridge-builders; constructed the Pont Saint-Bénézet bridge |
| Benignus of Armagh | 392 | 467 | | |
| Beningnus of Dijon | 200s | 200s | | |
| Benignus of Todi | 200s | 303 | found in Roman Martyrology | |
| Benildus Romançon | 14 June 1805 | 13 August 1862 | 29 October 1967 by Pope Paul VI | |
| Benjamin | 329 | c. 424 | | |
| Benjamín Julián [es] | 27 October 1908 | 9 October 1934 | 21 November 1999 by Pope John Paul II | One of the Martyrs of Turon |
| Benno | c. 1010 | 16 June 1106 | 31 May 1523 by Pope Adrian VI | |
| Benvenutus Scotivoli | 1200s | 22 March 1282 | 1284 by Pope Martin IV | |
| Berard of Carbio | 1100s | 16 January 1220 | 7 August 1481 by Pope Sixtus IV | |
| Berardo | 1000s | 19 December 1123 | | |
| Bercharius of Hautvillers | 636 | 28 March 696 | | |
| Berhtwald | unknown | 731 | | |
| Berlinda of Meerbeke | unknown | c. 702 | | |
| Bernadette Soubirous | 7 January 1844 | 16 April 1879 | 8 December 1933 Rome by Pope Pius XI | |
| Bernard degli Uberti | c. 1060 | 4 December 1133 | 3 December 1139 by Pope Innocent II | |
| Bernard of Carinola | unknown | 1109 | | |
| Bernard of Clairvaux | 1090 | 20 August 1153 | 18 January 1174 by Pope Alexander III | Reformer of the Cistercian Order |
| Bernard of Corleone | 6 February 1605 | 12 January 1667 | 10 June 2001 by Pope John Paul II | |
| Bernard of Menthon | c. 1020 | June 1081 | 1681 by Pope Innocent XI | Professed religious of the Canons Regular of Saint Augustine |
| Bernard of Valdeiglesias | unknown | c. 1155 | | |
| Bernard Vũ Văn Duệ | 1755 | 1 August 1838 | 19 June 1988 by Pope John Paul II | One of the Martyrs of Vietnam |
| Bernardino of Siena | 8 September 1380 | 20 May 1444 | 24 May 1450 by Pope Nicholas V | |
| Bernard of Thiron | 1046 | 14 April 1117 | | |
| Bernardino Realino | 1 December 1530 | 2 July 1616 | 22 June 1947 by Pope Pius XII | Professed priest of the Jesuits |
| Bernardo Tolomei | 10 May 1272 | 20 August 1348 | 26 April 2009 by Pope Benedict XVI | |
| Bernat Calbó | c. 1180 | 26 October 1243 | 26 September 1710 by Pope Clement XI | |
| Bernward of Hildesheim | 960 | 20 November 1022 | 8 January 1193 by Pope Celestine III | |
| Bertha of Bingen | unknown | 757 | | |
| Bertha of Val d'Or | unknown | 690 | | |
| Bertharius of Monte Cassino | c. 810 | 22 October 883 | | |
| Berthold of Parma | unknown | 1111 | | |
| Bertilia | unknown | 687 | | |
| Bertin | c. 615 | c. 709 | | |
| Bertrand of Comminges | c.1050 | 1126 | 1309 by Pope Clement V | |
| Bertulf of Bobbio | unknown | 640 | | |
| Beuno | 500s | 21 April 640 | | Also known as Bono |
| Bibiana | 300s | 300s | found in Roman Martyrology | |
| Birillus | unknown | 90 AD | found in Roman Martyrology | |
| Birinus | c. 600 | 3 December 649 or 650 | | |
| Blaesilla | 364 | 384 | | |
| Blaise | 200s | 316 | found in Roman Martyrology | |
| Blandina | c. 162 | 177 | found in Roman Martyrology | |
| Blane | unknown | 590 | | |
| Blathmac | c. 750 | c. 825 | | |
| Bodfan | 600s | unknown | | |
| Boethius | c. 477 | 524 | | |
| Boisil | unknown | 7 July 664 | | |
| Bonaventure | 1221 | 15 July 1274 | 14 April 1482 by Pope Sixtus IV | |
| Bonaventure of Miyako | 1500s | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Bonfilius | 1040 | 1125 | | |
| Boniface | c. 675 | 5 June 754 | | |
| Boniface of Brussels | 1183 | 19 February 1260 | 1702 by Pope Clement XI | |
| Boniface of Tarsus | 200s | 307 | found in Roman Martyrology | |
| Bonifacia Rodríguez y Castro | 6 June 1837 | 8 August 1905 | 23 October 2011 by Pope Benedict XVI | |
| Bononio | 900s | 30 August 1026 | 1026 by Pope John XIX | |
| Boris | 986 | 1015 | | |
| Bosa of York | unknown | c. 705 | | |
| Botulph of Thorney | 600s | 680 | | |
| Brannoc of Braunton | 500s | unknown | | |
| Branwalator | unknown | unknown | | |
| Bregowine | unknown | August 764 | | |
| Brendan of Birr | unknown | c. 573 | | |
| Brendan the Navigator | c. 484 | c. 577 | | |
| Bretannio | 300s | 380 | found in Roman Martyrology | |
| Brice of Tours | c. 370 | 444 | found in Roman Martyrology | |
| Bridget of Sweden | c. 1303 | 23 July 1373 | 7 October 1391 by Pope Boniface IX | |
| Brigid of Kildare | c. 451 | c. 525 | found in Roman Martyrology | |
| Brinolfo Algotsson | 1240–1248 | 6 February 1317 | 7 October 1391 by Pope Boniface IX | |
| Brioc | 400s | c. 502 | | |
| Britta | unknown | 300s | | |
| Britto of Trier | 374 | 386 | | |
| Brocard | unknown | 1231 | | |
| Brónach | 500s | 500s | | |
| Bruno of Cologne | c. 1030 | 6 October 1101 | 17 February 1623 by Pope Gregory XV | |
| Bruno of Querfurt | c. 974 | 14 February 1009 | found in Roman Martyrology | |
| Bruno of Saxony | c. 830 | 2 February 880 | | |
| Bruno of Segni | c. 1045 | 18 July 1123 | 5 September 1181 by Pope Lucius III | |
| Bruno of Wurzbug | c. 1005 | 27 May 1045 | | |
| Bruno the Great | 925 | 965 | | |
| Bruno Sserunkuuma [sw] | 1800s | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Brynach | unknown | 500s | | |
| Brynoth | unknown | 6 February 1317 | 1498 | |
| Budoc | 400s | 500s | | |
| Buonfiglio Monaldi | 1200s | 1 January 1261 | 15 January 1888 by Pope Leo XIII | One of the Seven Holy Founders of the Servite Order |
| Buriana | 500s | 500s | | |
| Cadfan | unknown | 500s | | |
| Cadoc | c. 497 | 580 | | |
| Caedmon | c. 657 | c.684 | | |
| Caesaria the Elder | unknown | c. 530 | | |
| Caesarius of Arles | c. 468 | 27 August 542 | | |
| Caesarius of Nazianzus | c. 331 | c. 368 | found in Roman Martyrology | |
| Caesarius of Terracina | unknown | 200s | | |
| Caillín | 400s | unknown | | |
| Cainnech of Aghaboe | c. 515 | 600 | found in Roman Martyrology | |
| Caius of Milan | unknown | 200s | found in Roman Martyrology | |
| Caius of Saragossa | unknown | unknown | found in Roman Martyrology | |
| Cajetan | 1 October 1480 | 7 August 1547 | 12 April 1671 by Pope Clement X | |
| Calepodius | unknown | 232 | | |
| Calimerius | unknown | 280 | | |
| Callistus Caravario | 18 June 1903 | 25 February 1930 | 1 October 2000 by Pope John Paul II | |
| Calminius | unknown | 500s or 600s | | |
| Calocerus | unknown | 130 | found in Roman Martyrology | |
| Calogerus the Anchorite | c. 466 | 561 | | |
| Camilla Battista da Varano | 9 April 1458 | 31 May 1524 | 17 October 2010 by Pope Benedict XVI | |
| Camillus de Lellis | 25 May 1550 | 14 July 1614 | 29 June 1746 by Pope Benedict XIV | |
| Candida Maria of Jesus | 31 May 1845 | 9 August 1912 | 17 October 2010 by Pope Benedict XVI | |
| Candida the Elder | unknown | 0s | found in Roman Martyrology | |
| Candidus | 200s | c. 287 | | |
| Canius | 200s | 200s | | |
| Cantius, Cantianus, and Cantianilla | unknown | c. 304 | | |
| Canute IV of Denmark | c. 1042 | 10 July 1086 | 19 April 1101 by Pope Paschal II | |
| Canute Lavard | 1096 | 7 January 1131 | 1169 by Pope Alexander III | |
| Caprasius of Agen | 200s | 303 | found in Roman Martyrology | |
| Caprasius of Lérins | unknown | 430 | | |
| Caradoc | unknown | 1124 | | |
| Caraunus | 400s | unknown | | |
| Carmelo Bolta Bañuls | 29 May 1803 | 10 July 1860 | 20 October 2024 by Pope Francis | |
| Carmen Salles y Barangueras | 9 April 1848 | 25 July 1911 | 21 October 2012 by Pope Benedict XVI | |
| Carolina Santocanale | 2 October 1852 | 27 January 1923 | 15 May 2022 by Pope Francis | |
| Carpus of Beroea | unknown | 0s | found in Roman Martyrology | |
| Carthage the Elder | unknown | 500s | | |
| Casilda of Toledo | 950 | 1050 | | |
| Casimir | 3 October 1458 | 4 March 1484 | 1521 by Pope Leo X or 1602 by Pope Clement VIII | |
| Cassian of Autun | unknown | c. 350 | | |
| Cassian of Imola | 300s | 13 August 363 | found in Roman Martyrology | |
| Cassian of Tangier | 200s | 298 | | |
| Cassius of Clermont | 200s | c. 264 | | |
| Cassius of Narni | unknown | 558 | | |
| Castor of Apt | 300s | c. 420 | | |
| Castor of Karden | 300s | c. 400 | | |
| Castritian | unknown | 137 | found in Roman Martyrology | Bishop of Milan |
| Castulus | 200s | 286 | found in Roman Martyrology | |
| Catald of Toronto | 7th century | 685 | found in Roman Martyrology | |
| Catellus of Castellammare | unknown | 800s | | |
| Caterina Volpicelli | 21 January 1839 | 28 December 1894 | 26 April 2009 by Pope Benedict XVI | |
| Cathan | unknown | unknown | | |
| Catherine Labouré | 2 May 1806 | 31 December 1876 | 27 July 1947 by Pope Pius XII | |
| Catherine of Alexandria | c. 287 | c. 305 | found in Roman Martyrology | |
| Catherine of Bologna | 8 September 1413 | 9 March 1463 | 22 May 1712 by Pope Clement XI | |
| Catherine of Genoa | 1447 | 1510 | 16 June 1737 by Pope Clement XII | |
| Catherine of Palma | 1 May 1533 | 5 April 1574 | 22 June 1930 by Pope Pius XI | |
| Catherine of Ricci | 23 April 1522 | 2 February 1590 | 29 June 1746 by Pope Benedict XIV | |
| Catherine of Siena | 25 March 1347 | 29 April 1380 | 29 April 1461 by Pope Pius II | |
| Catherine of Vadstena | 2 October 1538 | 24 March 1381 | 1484 (cultus confirmed) by Innocent VIII | |
| Cedd | c. 620 | October 26, 664 | | |
| Cecilia | 100s | 222–235 | found in Roman Martyrology | |
| Cellach of Armagh | 1080 | 1129 | | |
| Celsus | unknown | unknown | found in Roman Martyrology | |
| Cermanus | 200s | c. 305 | found in Roman Martyrology | |
| César de Bus | 3 February 1544 | 15 April 1607 | 15 May 2022 by Pope Francis | |
| Cessianus | c. 295 | 303 | | |
| Chad of Mercia | c. 634 | March 2, 672 | found in Roman Martyrology | |
| Charbel | 0s | 107 | | |
| Charbel Makhlouf | 8 May 1828 | 24 December 1898 | 9 October 1977 by Pope Paul VI | |
| Charles Borromeo | 2 October 1538 | 3 November 1584 | 1 November 1610 by Paul V | |
| Charles de Foucauld | 15 September 1858 | 1 December 1916 | 15 May 2022 by Pope Francis | |
| Charles Garnier | 25 May 1606 | 7 December 1649 | 29 June 1930 by Pope Pius XI | One of the Canadian Martyrs |
| Charles Lwanga | 1 January 1860 | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Charles of Mount Argus | 11 December 1821 | 5 January 1893 | 3 June 2007 by Pope Benedict XVI | |
| Charles of Sezze | 19 October 1613 | 6 January 1670 | 12 April 1959 by Pope John XXIII | Professed priest of the Franciscan Friars Minor |
| Chelidonia | c. 1 October 1077 | 13 October 1152 | found in Roman Martyrology | |
| Christian of Clogher | 1000s | 1138 | | |
| Christina of Bolsena | 200s | 200s | found in Roman Martyrology | |
| Christopher | unknown | c. 251 | found in Roman Martyrology | |
| Chrysogonus | 200s | 300s | found in Roman Martyrology | |
| Ciarán of Clonmacnoise | c. 516 | 549 | | |
| Ciarán of Saigir | 400s | c. 530 | | |
| Cirilo Bertrán [es] | 20 March 1888 | 9 October 1934 | 21 November 1999 by Pope John Paul II | One of the Martyrs of Turon |
| Clare of Assisi | 16 July 1194 | 11 August 1253 | 26 September 1255 by Pope Alexander IV | |
| Clare of Montefalco | 1268 | 18 August 1308 | 8 December 1881 by Pope Leo XIII | |
| Clateus | unknown | 64 AD | found in Roman Martyrology | |
| Claude de la Colombière | 2 February 1641 | 15 February 1682 | 31 May 1992 by Pope John Paul II | |
| Claudine Thévenet | 30 March 1774 | 3 February 1837 | 21 March 1993 by Pope John Paul II | Founder of the Religious of Jesus and Mary |
| Claudius of Besançon | c. 607 | 6 June 696 or 699 | | |
| Clelia Barbieri | 13 February 1847 | 13 July 1870 | 9 April 1989 by Pope John Paul II | |
| Clement Mary Hofbauer | 26 December 1751 | 15 March 1820 | 20 May 1909 by Pope Pius X | Professed priest of the Redemptorists |
| Clement of Ancyra | c. 258 | 312 | | |
| Clement of Ohrid | 830–840 | 27 July 916 | | |
| Cleopatra | 200s | 319 or 327 | | |
| Clotilde | c. 474 | 545 | | |
| Colette of Corbie | 13 January 1381 | 6 March 1447 | 24 May 1807 by Pope Pius VII | |
| Colman mac Duagh | 560 | 29 October 632 | | |
| Colmán of Cloyne | 15 October 522 | 24 November 600 | | |
| Coloman of Stockerau | 900s | 18 October 1012 | found in Roman Martyrology | |
| Columban | 540 | 23 November 615 | | |
| Concordius of Spoleto | 100s | c.175 | found in Roman Martyrology | |
| Conrad of Constance | c. 900 | 26 November 975 | 1123 by Pope Callixtus II | |
| Conrad of Parzham | 22 December 1818 | 21 April 1894 | 20 May 1934 by Pope Pius XI | |
| Conrad of Piacenza | 1290 | 19 February 1351 | 2 June 1625 by Pope Urban VIII | |
| Constantine the Great | 27 February c. 272 | 22 May 337 | | Constantine is not recognized as a canonized saint by the Roman Catholic Church, although he is in many other churches. |
| Constantius of Perugia | unknown | c. 170 | found in Roman Martyrology | |
| Corbinian | c. 670 | 8 September c. 730 | | |
| Corebus | unknown | 138 | found in Roman Martyrology | |
| Cornelius of Wijk bij Duurstede | 1548 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Cosmas | 200s | c. 287 | found in Roman Martyrology | |
| Cosmas Takeya | 1500s | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Crescentian | 200s | c. 303 | found in Roman Martyrology | |
| Crescentinus | c. 292 | c. 303 | found in Roman Martyrology | |
| Crescentius of Rome | c. 292 | c. 303 | found in Roman Martyrology | |
| Crescentius of Saragossa | unknown | unknown | found in Roman Martyrology | |
| Crispin of Viterbo | 13 November 1668 | 19 May 1750 | 20 June 1982 by Pope John Paul II | Professed priest of the Franciscan Capuchins |
| Cristóbal Magallanes Jara | 30 July 1869 | 25 May 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Cristobal of Tlaxcala | c. 1514 | 1527 | 15 October 2017 by Pope Francis | One of the Child Martyrs of Tlaxcala |
| Cunibert | c. 600 | 12 November c. 663 | found in Roman Martyrology | |
| Cunigunde of Luxembourg | 975 | 3 March 1040 | 29 March 1200 by Pope Innocent III | Empress |
| Cuthbert | c. 634 | 20 March 687 | found in Roman Martyrology | |
| Cuthbert Mayne | c. 1543 | 29 November 1577 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Cyprian | c. 200 | 14 September 258 | found in Roman Martyrology | |
| Cyriacus | 200s | c. 303 | found in Roman Martyrology | |
| Cyriacus of Satala | 200s | 304 | found in Roman Martyrology | |
| Cyril | 826–827 | 14 February 869 | found in Roman Martyrology | |
| Cyril of Alexandria | c. 376 | 444 | found in Roman Martyrology | |
| Cyril of Jerusalem | c. 313 | 386 | found in Roman Martyrology | |
| Cyrinus of Rome | 200s | c. 303 | found in Roman Martyrology | |
| Dabheog | unknown | unknown | | |
| Dalmatius of Pavia | 200s | 254 or 304 | found in Roman Martyrology | |
| Damian | 200s | c. 287 | found in Roman Martyrology | |
| Damien of Molokai | 3 January 1840 | 15 April 1889 | 11 October 2009 by Pope Benedict XVI | Known for his work with people with leprosy in a settlement on the Kalaupapa Peninsula of Molokaʻi. |
| Daniel and Companions | | 10 October 1227 | 1516 by Pope Leo X | |
| Daniel of Padua | unknown | 168 | found in Roman Martyrology | |
| Daniele Comboni | 15 March 1831 | 10 October 1881 | 5 October 2003 by Pope John Paul II | |
| Darerca of Ireland | 300s | 400s | | |
| Darius | unknown | early 300s | found in Roman Martyrology | |
| Dathus | 100s | 190 | found in Roman Martyrology | Bishop of Ravenna |
| David | c. 500 | 1 March 589 | | |
| David Galván Bermúdez | 29 January 1881 | 30 January 1915 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| David Lewis | 1616 | 27 August 1679 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| David of Munktorp | 1000s | 1082 | | |
| David Roldán Lara | 2 March 1907 | 15 August 1926 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| David the Dendrite | c. 450 | 540 | | |
| David Uribe Velasco [es] | 29 December 1889 | 12 April 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Demetrius of Thessaloniki | 280 | 305 or 306 | found in Roman Martyrology | |
| Denis | 200s | 250, 258, or 270 | found in Roman Martyrology | Bishop of Paris |
| Denis Ssebuggwawo Wasswa | 1870 | 25 May 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Deodat of Rodez [de] | c. 1340 | 14 November 1391 | 21 June 1970 by Pope Paul VI | Companion of Nicholas Tavelic |
| Deodatus of Nevers | unknown | 679 | 3 December 1049 by Pope Leo IX | |
| Devasahayam Pillai | 23 April 1712 | 14 January 1752 | 15 May 2022 by Pope Francis | |
| Devota | 200s | c. 303 | | |
| Didacus of Alcalá | c. 1400 | 12 November 1463 | 1588 by Pope Sixtus V | |
| Didymus of Alexandria | 200s | 304 | found in Roman Martyrology | |
| Diodorus of Tarsus | 300s | 390 | | |
| Diomedes of Tarsus | 200s | 298–311 | | |
| Dionysius of Alexandria | unknown | 22 March 264 | found in Roman Martyrology | |
| Dionysius of Corinth | unknown | 100s | found in Roman Martyrology | |
| Dionysius of Vienne | 100s | 193 | found in Roman Martyrology | |
| Dionysius the Areopagite | 0s | 0s | found in Roman Martyrology | |
| Dismas | unknown | 30–33 AD | found in Roman Martyrology | |
| Domingo Ibáñez de Erquicia | c.1589 | 14 August 1633 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Dominic de Guzmán | 8 August 1170 | 6 August 1221 | 13 July 1234 by Pope Gregory IX | |
| Dominic de la Calzada | 1019 | 12 May 1109 | found in Roman Martyrology | |
| Dominic of Silos | 1000 | 20 December 1073 | found in Roman Martyrology | |
| Dominic Savio | 2 April 1842 | 9 March 1857 | 12 June 1954 by Pope Pius XII | |
| Domitian of Carantania | 700s | 802 | | Duke of Carantania |
| Domnius | 200s | 304 | | |
| Donatus of Euroea | 300s | 387 | found in Roman Martyrology | |
| Donatus of Fossombrone | unknown | 200s | found in Roman Martyrology | |
| Dorothea of Alexandria | unknown | c. 320 | | |
| Dorothea of Caesarea | 279–290 | c. 311 | found in Roman Martyrology | |
| Dorothea of Montau | 6 February 1347 | 25 June 1394 | 1976 (cultus confirmed) by Pope Paul VI | |
| Drogo | 14 March 1105 | c. 16 April 1186 | found in Roman Martyrology | |
| Dubricius | c. 465 | 550 | | |
| Dymphna | 7th century | 30 May, 7th century | c. 620 | born in Ireland; died in Geel, Belgium |
| Edith Stein | 12 October 1891 | 9 August 1942 | 11 October 1998 by Pope John Paul II | Also known as Teresa Benedicta of the Cross |
| Edmund Arrowsmith | 1585 | 28 August 1628 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Edmund Campion | 24 January 1540 | 1 December 1581 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Edmund Gennings | 1567 | 10 December 1591 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Edmund of Abingdon | 20 November c. 1175 | 16 November 1240 | 16 December 1246 by Pope Innocent IV | |
| Edward the Confessor | c. 1003–1005 | 5 January 1066 | 7 February 1161 by Pope Alexander III | |
| Edward the Martyr | c. 962 | 18 March 978 | found in Roman Martyrology | |
| Egidio Maria of Saint Joseph | 16 November 1729 | 7 February 1812 | 2 June 1996 by Pope John Paul II | Professed priest of the Franciscan Friars Minor (Alcantarines) |
| Elena Guerra | 23 June 1835 | 11 April 1914 | 20 October 2024 by Pope Francis | |
| Eleuchadius | 0s | 112 | found in Roman Martyrology | Bishop of Ravenna |
| Eleutherius of Illyria | c. 100 | c. 138 | found in Roman Martyrology | |
| Elias of Palestine | 200s | c. 304 | found in Roman Martyrology | |
| Elizabeth Ann Seton | 28 August 1774 | 4 January 1821 | 14 September 1975 by Pope Paul VI | First citizen born in the U.S. to be declared a saint. Widow; Founder of the Daughters of Charity of Saint Vincent de Paul in the United States, the Sisters of Charity of Cincinnati, the Sisters of Charity of Seton Hill, the Sisters of Charity of Saint Vincent de Paul of Halifax, the Sisters of Charity of Saint Vincent de Paul of New York, and the Sisters of Charity of Saint Elizabeth of New Jersey |
| Elizabeth Hesselblad | 4 June 1870 | 24 April 1957 | 5 June 2016 by Pope Francis | |
| Elizabeth of Hungary | 7 July 1207 | 17 November 1231 | 27 May 1235 by Pope Gregory IX | Patron saint of the homeless, blessed by St. Francis of Assisi, associated with the Third Order of St. Francis, first saint associated with roses through the miracle of the roses |
| Elizabeth of Portugal | c. 1271 | 4 July 1336 | 1625 25 May by Pope Urban VIII | |
| Elizabeth of the Trinity | 18 July 1880 | 9 November 1906 | 16 October 2016 by Pope Francis | |
| Eluned | c. 468 | 400s | | |
| Elzéar of Sabran | 1285 | 27 September 1323 | 1369 by Pope Urban V | |
| Emerentiana | 200s | c. 304 | found in Roman Martyrology | |
| Emeric of Hungary | c. 1006 | 2 September 1031 | 5 November 1083 by Pope Gregory VII | |
| Émilie de Rodat | 6 September 1787 | 19 September 1852 | 23 April 1950 by Pope Pius XII | Founder of the Sisters of the Holy Family of Villefranche |
| Émilie de Villeneuve | 9 March 1811 | 2 October 1854 | 17 May 2015 by Pope Francis | |
| Emily de Vialar | 12 September 1797 | 24 August 1856 | 24 June 1951 by Pope Pius XII | |
| Emma of Lesum | 1000s | 3 December 1038 | | |
| Emygdius | 279 | 309 | | |
| Engelbert Kolland | 21 September 1827 | 10 July 1860 | 20 October 2024 by Pope Francis | |
| Engratia | 200s | c. 303 | found in Roman Martyrology | |
| Enrique de Ossó i Cervelló | 16 October 1840 | 27 January 1896 | 16 June 1993 by Pope John Paul II | |
| Ephrem the Syrian | c. 306 | 9 June 373 | found in Roman Martyrology | |
| Epimachus | unknown | c. 250 | found in Roman Martyrology | |
| Epiphanius of Salamis | 310–320 | 403 | | |
| Epitacius | unknown | unknown | found in Roman Martyrology | |
| Erasmus of Formia | 200s | c. 303 | found in Roman Martyrology | |
| Erhard of Regensburg | unknown | 600s | 8 October 1052 by Pope Leo IX | |
| Eric IX of Sweden | c. 1120–25 | 18 May 1160 | found in Roman Martyrology | |
| Erlembald | 1000s | 15 April 1075 | | |
| Eucherius of Lyon | c. 380 | c. 449 | | |
| Eudokia of Heliopolis | 0s | 107 | found in Roman Martyrology | |
| Eugendus | c. 449 | 1 January 510 | found in Roman Martyrology | |
| Eugène de Mazenod | 1 August 1782 | 21 May 1861 | 3 December 1995 by Pope John Paul II | |
| Eugénie d'Alsace | Unknown | 735 | | |
| Eugenius II of Toledo | unknown | 13 November 657 | found in Roman Martyrology | |
| Eulalia of Mérida | c. 290 | 10 December 304 | | |
| Euphemia | 200s | 303 | | |
| Euphrasia Eluvathingal | 17 October 1877 | 29 August 1952 | 23 November 2014 by Pope Francis | |
| Euphrosyne of Alexandria | unknown | 400s | found in Roman Martyrology | |
| Euprepius of Verona | 0s | unknown | found in Roman Martyrology | |
| Pope Eusebius | 3rd century | 17 Aug 310 | found in Roman Martyrology | |
| Eusebius of Rome | 4th century | 357 | found in Roman Martyrology | |
| Eusebius of Vercelli | c. 2 March 283 | 1 August 371 | found in Roman Martyrology | |
| Eustace | 0s | 118 | found in Roman Martyrology | Martyr and soldier |
| Eustace White | 1559 | 10 December 1591 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Eustathius of Antioch | 200s | c. 360 | found in Roman Martyrology | |
| Eustochia Smeralda Calafato | 25 March 1434 | 20 January 1485 | 11 June 1988 by Pope John Paul II | |
| Eutropius of Orange | unknown | 27 May 475 | found in Roman Martyrology | |
| Evellius | unknown | 66 AD | found in Roman Martyrology | |
| Evodius | unknown | c. 66 AD | found in Roman Martyrology | |
| Exuperius | unknown | 127 | found in Roman Martyrology | |
| Ezequiél Moreno y Díaz | 9 April 1848 | 19 August 1906 | 11 October 1992 by Pope John Paul II | |
| Fabiola | 300s | 27 December 399 | | |
| Fabius | 200s | 303 or 304 | | |
| Fanchea | 500s | c. 585 | | |
| Faustina Kowalska | 25 August 1905 | 5 October 1938 | 30 April 2000 by Pope John Paul II | |
| Faustinus | unknown | 120 | found in Roman Martyrology | |
| Faustinus of Rome | 200s | 302 or 303 | found in Roman Martyrology | |
| Faustus of Milan | 100s | 190 | found in Roman Martyrology | |
| Felician | 200s | c. 297 | found in Roman Martyrology | |
| Felicissimus | unknown | 6 August 258 | found in Roman Martyrology | |
| Felicitas of Rome | c. 101 | c. 165 | found in Roman Martyrology | |
| Felicity | 100s | 7 March 203 | found in Roman Martyrology | See also Passion of Saint Perpetua, Saint Felicitas, and their Companions |
| Felicula | 0s | 90 AD | found in Roman Martyrology | |
| Felix | 200s | 303 | | Martyred with Adauctus |
| Felix | 200s | c. 303 | found in Roman Martyrology | |
| Felix II | unknown | 22 November 365 | found in Roman Martyrology | |
| Felix of Cantalice | 18 May 1515 | 18 May 1587 | 22 May 1712 by Pope Clement XI | |
| Felix of Nicosia | 5 November 1715 | 31 May 1787 | 23 October 2005 by Pope Benedict XVI | Professed religious of the Franciscan Capuchins |
| Felix of Nola | 200s | c. 250 | found in Roman Martyrology | |
| Felix of Valois | 16 April 1127 | 4 November 1212 | 1 May 1262 by Pope Urban IV | |
| Ferdinand III of Castile | 1199 or 1201 | 30 May 1252 | 1671 by Pope Clement X | |
| Fidelis of Sigmaringen | 1577 | 24 April 1622 | 29 June 1746 by Pope Benedict XIV | |
| Filippo Smaldone | 27 July 1848 | 4 June 1923 | 15 October 2006 by Pope Benedict XVI | |
| Finbarr of Cork | 550 | 623 | | |
| Finnian of Clonard | 470 | 12 December 549 | | |
| Fintan of Clonenagh | c. 526 | 603 | | found in Roman Martyrology |
| Fintán of Taghmon | unknown | 635 | | Bishop and hermit |
| Firmina | unknown | 200s | found in Roman Martyrology | |
| Firminus of Satala | 200s | 304 | found in Roman Martyrology | |
| Firmus of Satala | 200s | 304 | found in Roman Martyrology | |
| Flavia Domitilla | 0s | c. 96 AD | found in Roman Martyrology | |
| Flavius Latinus of Brescia | 0s | 115 | found in Roman Martyrology | |
| Flora of Córdoba | unknown | 24 November 851 | found in Roman Martyrology | |
| Florentius of Vienne | unknown | c. 377 | found in Roman Martyrology | Bishop of Vienne |
| Florian | 250 | c. 304 | | |
| Fortunatus of Naples | unknown | 300s | | |
| Fortunatus of Spoleto | 300s | c. 400 | found in Roman Martyrology | |
| Franca Visalta | 1170 | 1218 | September 1273 by Pope Gregory X | |
| Frances of Rome | 1384 | 9 March 1440 | 9 May 1608 by Pope Paul V | Married layperson of the Vicariate of Rome |
| Frances Xavier Cabrini | 15 July 1850 | 22 December 1917 | 7 July 1946 by Pope Pius XII | First U.S. citizen to be canonized See also Elizabeth Ann Seton the first born U.S. citizen to be canonized. |
| Francesco Maria da Camporosso | 27 December 1804 | 17 September 1866 | 9 December 1962 by Pope John XXIII | |
| Francesco Spinelli | 14 April 1853 | 6 February 1913 | 14 October 2018 by Pope Francis | |
| Francis Borgia | 28 October 1510 | 30 September 1572 | 20 June 1670 by Pope Clement X | |
| Francis Caracciolo | 13 October 1563 | 4 June 1608 | 24 May 1807 by Pope Pius VII | |
| Francis de Geronimo | 17 December 1642 | 11 May 1716 | 26 May 1839 by Pope Gregory XVI | |
| Francis de Sales | 21 August 1567 | 28 December 1622 | 8 April 1665 by Pope Alexander VII | |
| Francis Fasani | 6 August 1681 | 29 November 1742 | 13 April 1986 by Pope John Paul II | Professed priest of the Franciscan Conventuals |
| Francis Kichi [jp] | 1500s | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Francis Massabki | 1800s | 10 July 1860 | 20 October 2024 by Pope Francis | |
| Francis of Assisi | 1181 or 1182 | 3 October 1226 | 16 July 1228 by Pope Gregory IX | Italian Roman Catholic friar and preacher |
| Francis of Nagasaki [fi] | 1548 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Francis of Paola | 27 March 1416 | 2 April 1507 | 1 May 1519 by Pope Leo X | |
| Francis of Roye | 1549 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Francis of Saint Michael | c. 1544 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Francis Shoyemon [pl] | 1500s or 1600s | 14 August 1633 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Francis Solanus | 10 March 1549 | 14 July 1610 | 27 December 1726 by Pope Benedict XIII | |
| Francis Xavier | 7 April 1506 | 2 December 1552 | 12 March 1622 by Pope Gregory XV | |
| Francis Xavier Bianchi | 2 December 1743 | 31 January 1815 | 21 October 1951 by Pope Pius XII | Professed priest of the Barnabites |
| Francisco Blanco | c. 1570 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Francisco Coll Guitart | 18 May 1812 | 2 April 1875 | 11 October 2009 Pope Benedict XVI | |
| Francisco Marto | 11 June 1908 | 4 April 1919 | 13 May 2017 by Pope Francis | |
| Francisco Pinazo Peñalver | 26 August 1802 | 10 July 1860 | 20 October 2024 by Pope Francis | |
| François de Laval | 30 April 1623 | 6 May 1708 | 3 April 2014 by Pope Francis | Canonized by equivalent canonization, first Bishop of Quebec. Professed priest of the Paris Foreign Mission Society. |
| Fridolin of Säckingen | 500s | 600s | | |
| Fructuosus | unknown | 259 | found in Roman Martyrology | |
| Frumentius | 300s | c. 383 | found in Roman Martyrology | |
| Fulgentius of Cartagena | 500s | c. 630 | | |
| Fulgentius of Ruspe | c. 465 | 1 January 527 or 533 | found in Roman Martyrology | |
| Fursey | c. 597 | 650 | | |
| Gabriel de Duisco | c. 1578 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Gabriel Lalemant | 3 October 1610 | 17 March 1649 | 29 June 1930 by Pope Pius XI | One of the Canadian Martyrs |
| Gabriel of Our Lady of Sorrows | 1 March 1838 | 27 February 1862 | 13 May 1920 by Pope Benedict XV | |
| Gaetano Catanoso | 14 February 1879 | 4 April 1963 | 23 October 2005 by Pope Benedict XVI | |
| Gaetano Errico | 19 October 1791 | 29 October 1860 | 12 October 2008 by Pope Benedict XVI | |
| Galgano Guidotti | 1148 | 3 December 1181 | 1185 by Pope Lucius III | |
| Gall | 550 | 646 | | |
| Gamaliel | unknown | unknown | found in Roman Martyrology | |
| Gaspar del Bufalo | 6 January 1786 | 28 December 1837 | 12 June 1954 by Pope Pius XII | Priest of the Vicariate of Rome; founder of the Missionaries of the Precious Blood |
| Gaspare Bertoni | 9 October 1777 | 12 June 1853 | 1 November 1989 by Pope John Paul II | Priest of the Diocese of Verona; founder of the Congregation of the Holy Stigmata (Stigmatines) |
| Gaucherius | 1060 | 1140 | 1194 by Pope Clement III | |
| Gaudentius of Rimini | unknown | 14 October 360 | found in Roman Martyrology | |
| Gaudiosus of Tarazona | 400s | c. 540 | | |
| Gebhard of Constance | 949 | 995 | | |
| Gelasius of Fossombrone | unknown | 200s | found in Roman Martyrology | |
| Geltrude Comensoli | 18 January 1847 | 18 February 1903 | 26 April 2009 by Benedict XVI | |
| Geminianus | 300s | 300s | found in Roman Martyrology | Bishop of Modena |
| Geminus of Fossombrone | unknown | 200s | found in Roman Martyrology | |
| Gemma Galgani | 12 March 1878 | 11 April 1903 | 2 May 1940 by Pope Pius XII | |
| Genesius of Arles | 200s | 303 or 308 | found in Roman Martyrology | |
| Genesius of Rome | 200s | 303 | found in Roman Martyrology | |
| Genevieve | 419–422 | 502–512 | found in Roman Martyrology | |
| Genoveva Torres Morales | 3 January 1870 | 5 January 1956 | 4 May 2003 by Pope John Paul II | |
| George | 200s | 23 April 303 | found in Roman Martyrology | |
| George Preca | 12 February 1880 | 26 July 1962 | 3 June 2007 by Pope Benedict XVI | |
| Gerald of Sauve-Majeure | 1025 | 1095 | 27 April 1197 by Pope Celestine III | |
| Gerard Majella | 6 April 1726 | 16 October 1755 | 11 December 1904 by Pope Pius X | |
| Gerard of Csanád | 23 April 977/1000 | 29 August 1046 | 1083 by Pope Gregory VII | |
| Gerard of Potenza | unknown | 30 October 1119 | 1119 by Pope Callixtus II | |
| Gerard of Toul | 935 | 23 April 994 | 21 October 1050 by Pope Leo IX | |
| Germain of Paris | c. 496 | 28 May 576 | found in Roman Martyrology | Bishop of Paris |
| Germaine Cousin | 1579 | 1601 | 29 June 1867 by Pope Pius IX | |
| Germanicus of Smyrna | 100s | 155 | found in Roman Martyrology | Martyr |
| Gerolamo Emiliani | 1486 | 8 February 1537 | 16 July 1767 by Pope Clement XIII | |
| Gertrude of Nivelles | c. 628 | 17 March 659 | 1677 (informally) by Pope Clement XII | |
| Gertrude the Great | 6 January 1256 | c. 1302 17 November | 1677 (equipollent) by Pope Clement XII | |
| Getulius | unknown | 120 | found in Roman Martyrology | |
| Gherardino Sostegni | 1200s | 1200s | 15 January 1888 by Pope Leo XIII | One of the Seven Holy Founders of the Servite Order |
| Gianna Beretta Molla | 4 October 1922 | 28 April 1962 | 16 May 2004 by Pope John Paul II | |
| Gilbert of Sempringham | c. 1085 | 4 February 1189 or 1190 | 1202 by Pope Innocent III | |
| Giles | c. 650 | c. 710 | found in Roman Martyrology | |
| Giordano Ansaloni | 1 November 1598 | 17 November 1634 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Giovanni Antonio Farina | 11 January 1803 | 4 March 1888 | 23 November 2014 by Pope Francis | |
| Giovanni Battista de' Rossi | 22 February 1698 | 23 May 1764 | 8 December 1881 by Pope Leo XIII | |
| Giovanni Battista Piamarta | 26 November 1841 | 25 April 1913 | 21 October 2012 by Pope Benedict XVI | |
| Giovanni Battista Scalabrini | 08 July 1839 | 01 June 1905 | 9 October 2022 by Pope Francis | |
| Giovanni Calabria | 8 October 1873 | 4 December 1954 | 18 April 1999 by Pope John Paul II | |
| Giovanni Leonardi | 1541 | 9 October 1609 | 17 April 1938 by Pope Pius XI | Priest and founder of the Clerics Regular of the Mother of God |
| Giuditta Vannini | 7 July 1859 | 23 February 1911 | 13 October 2019 by Pope Francis | |
| Giulia Salzano | 13 October 1846 | 17 May 1929 | 17 October 2010 by Pope Benedict XVI | |
| Giuseppe Allamano | 21 January 1851 | 16 February 1926 | 20 October 2024 by Pope Francis | |
| Giuseppe Benedetto Cottolengo | 3 May 1786 | 30 April 1842 | 19 March 1934 by Pope Pius XI | Founder of the Little House of Divine Providence. Priest of the Archdiocese of Turin; founder of the Sisters of Saint Joseph Benedict Cottolengo, the Brothers of Saint Joseph Benedict Cottolengo and the Society of Priests of Saint Joseph Benedict Cottolengo |
| Giuseppe Maria Tomasi | 12 September 1649 | 1 January 1713 | 12 October 1986 by Pope John Paul II | Professed priest of the Theatines; cardinal |
| Giuseppe Moscati | 25 July 1880 | 12 April 1927 | 25 October 1987 by Pope John Paul II | |
| Giustino de Jacobis | 9 October 1800 | 31 July 1860 | 26 October 1975 by Pope Paul VI | |
| Giustino Russolillo | 18 January 1891 | 2 August 1955 | 15 May 2022 by Pope Francis | |
| Gleb | 987 | 1015 | | |
| Glyceria | 100s | 177 | found in Roman Martyrology | |
| Gobnait | 400s to 500s | 400s to 500s | | |
| Godelieve of Gistel | c. 1049 | 6 July 1070 | 1084 by Pope Urban II | |
| Godfried Coart | 1512 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Godfried van Duynen | 1502 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Gonsalo Garcia | 6 February 1557 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan, first Indian to become a saint |
| Gonzaga Gonza [sw] | 1800s | 27 May 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Gordianus | unknown | 362 | found in Roman Martyrology | |
| Gordius of Caesarea | 200s | c. 310 | found in Roman Martyrology | |
| Gorgonia | 300s | 23 February 375 | found in Roman Martyrology | |
| Gorgonius of Rome | unknown | unknown | found in Roman Martyrology | |
| Gotthard of Hildesheim | 960 | 4 May 1038 | 1131 by Pope Innocent II | |
| Greca | 12 October 284 | 21 January 304 | | |
| Gregorio Barbarigo | 16 September 1625 | 18 June 1697 | 26 May 1960 by Pope John XXIII | Bishop of Padua; cardinal |
| Gregory of Langres | c. 446 | 539 | found in Roman Martyrology | |
| Gregory of Narek | 945–951 | 1003–1011 | 12 April 2015 by Pope Francis | |
| Gregory of Nazianzus | 329 | 25 January 390 | found in Roman Martyrology | |
| Gregory of Nyssa | c. 335 | c. 395 | found in Roman Martyrology | |
| Gregory Thaumaturgus | c. 213 | c. 270 | found in Roman Martyrology | |
| Gregory the Illuminator | c. 257 | c. 331 | found in Roman Martyrology | |
| Guarinus of Palestrina | c. 1080 | 6 February 1158 | 1159 by Pope Alexander III | |
| Guido Maria Conforti | 30 March 1865 | 5 November 1931 | 23 October 2011 by Pope Benedict XVI | |
| Guillaume Courtet | c. 1590 | 29 September 1637 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Gummarus | c. 717 | 774 | | Saint of the Belgian town Lier |
| Gyavira Musoke [sw] | 1800s | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Héctor Valdivielso Sáez [es] | 31 October 1910 | 9 October 1934 | 21 November 1999 by Pope John Paul II | First Argentine saint. One of the Martyrs of Turon. Also known as Saint Benito de Jesus. |
| Hedwig of Silesia | 1174 | 15 October 1243 | 26 March 1267 by Pope Clement IV | |
| Hegesippus | 110 | 7 April 180 | found in Roman Martyrology | |
| Helena of Constantinople | c. 246 or 248 | c. 330 | found in Roman Martyrology | |
| Helena of Skövde | c. 1101 | 1160 | 1164 by Pope Alexander III | |
| Heliodorus of Altino | 300s | c. 390 | found in Roman Martyrology | |
| Hemma of Gurk | c. 995 | 27 June 1045 | 5 January 1938 by Pope Pius XI | |
| Henry II | 6 May 973 | 13 July 1024 | July 1147 by Pope Eugene III | Emperor of Burgundy and Bavaria |
| Henry Morse | 1595 | 1 February 1645 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Henry of Uppsala | unknown | 20 January 1156 | | |
| Henry Walpole | 1558 | 7 April 1595 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Herculanils | 100s | 180 | | |
| Heribert of Cologne | c. 970 | 16 March 1021 | c. 1075 by Pope Gregory VII | |
| Hermann Joseph | c. 1150 | 7 April 1241 | 11 August 1958 by Pope Pius XII | |
| Hermenegild | 500s | 13 April 585 | found in Roman Martyrology | |
| Hermes | unknown | 120 | found in Roman Martyrology | |
| Hermias | 100s | 160 | found in Roman Martyrology | |
| Hermione of Ephesus | unknown | 117 | | |
| Hilarion | 291 | 371 | found in Roman Martyrology | |
| Hilary of Poitiers | c. 310 | c. 367 | found in Roman Martyrology | |
| Hildegard of Bingen | 1098 | 17 September 1179 | 10 May 2012 by Pope Benedict XVI | Professed religious of the Benedictine Nuns, Doctor of the Church in 2012 |
| Hippolytus of Rome | c. 170 | c. 235 | found in Roman Martyrology | |
| Homobonus | 1100s | 13 November 1197 | 12 January 1199 by Pope Innocent III | |
| Honorina | 200s | c. 303 | | |
| Honorius of Canterbury | 500s | 30 September 653 | found in Roman Martyrology | |
| Hripsime | 3rd century | 290s | found in Roman Martyrology | |
| Hubertus | 656–658 | 30 May 727 | | |
| Hugh dei Lippi Uggucioni | 1200s | 3 May 1282 | 15 January 1888 by Pope Leo XIII | One of the Seven Holy Founders of the Servite Order |
| Hugh of Châteauneuf | 1053 | 1 April 1132 | 22 April 1134 by Pope Innocent II | |
| Hugh of Cluny | 1024 | 28 April 1109 | 6 January 1120 by Pope Callixtus II | |
| Hugh of Lincoln | 1135–1140 | 16 November 1200 | 17 February 1220 by Pope Honorius III | |
| Humilis of Bisignano | 26 August 1582 | 26 November 1637 | 19 May 2002 by Pope John Paul II | |
| Humility | c. 1226 | 22 May 1310 | 27 January 1720 by Pope Clement XI | |
| Hyacinth of Rome | 200s | c. 257–259 | found in Roman Martyrology | |
| Hyacinth of Caesarea | 96 AD | 108 | found in Roman Martyrology | |
| Hyacinth of Poland | c. 1185 | 15 August 1257 | 17 April 1594 by Pope Clement VIII | |
| Hyacintha Mariscotti | 16 March 1585 | 30 January 1640 | 14 May 1807 by Pope Pius VII | |
| Hypatius of Gangra | 200s | c. 325 | | |
| Ia of Cornwall | unknown | 450 | | |
| Ignatius of Antioch | c. 50 AD | c. 108 AD | found in Roman Martyrology | |
| Ignatius of Laconi | 10 December 1701 | 11 May 1781 | 21 October 1951 by Pope Pius XII | Professed religious of the Franciscan Capuchins |
| Ignatius of Loyola | c. 23 October 1491 | 31 July 1556 | 12 March 1622 by Pope Gregory XV | Founded the Society of Jesus (Jesuits) |
| Ignatius of Santhià | 5 June 1686 | 22 September 1770 | 19 May 2002 by Pope John Paul II | Professed priest of the Franciscan Capuchins |
| Ignazia Verzeri | 31 July 1801 | 3 March 1852 | 10 June 2001 by Pope John Paul II | Founder of the Daughters of the Sacred Heart of Jesus |
| Ildefonsus | 607 | 23 January 667 | | |
| Ingrid of Skänninge | 1200s | 9 September 1282 | | |
| Inocencio of Mary Immaculate | 10 March 1887 | 9 October 1934 | 21 November 1999 by Pope John Paul II | One of the Martyrs of Turon |
| Íñigo of Oña | unknown | 1 June 1057 | 18 June 1259 by Pope Alexander IV | |
| Irenaeus | c. 130 | c. 202 | found in Roman Martyrology | |
| Irene of Rome | 200s | 288 | | |
| Irene of Tomar | c. 635 | c. 653 | | |
| Irmã Dulce Pontes | 26 May 1914 | 13 March 1992 | 13 October 2019 by Pope Francis | Also known as Dulce of the Poor and first Brazilian woman saint |
| Isaac Jogues | 10 January 1607 | 18 October 1646 | 29 June 1930 by Pope Pius XI | One of the Canadian Martyrs |
| Isaac of Armenia | 354 | 439–441 | | |
| Isaac of Dalmatia | unknown | 30 May 383 | | |
| Isaac of Nineveh | c. 613 | c. 700 | | |
| Isidora | 300s | before 365 | | |
| Isidore of Seville | c. 556 | 4 April 636 | found in Roman Martyrology | Archbishop of Seville, Doctor of the Church |
| Isidore the Laborer | c. 1070 | 15 May 1130 | 12 March 1622 by Pope Gregory XV | |
| Íte of Killeedy | c. 480 | 15 January 570 | | |
| Ivo of Chartres | 1040 | 23 December 1115 | | |
| Ivo of Kermartin | 17 October 1253 | 19 May 1303 | June 1347 by Pope Clement VI | |
| Jacinta Marto | 11 March 1910 | 20 February 1920 | 13 May 2017 by Pope Francis | |
| Jacob of Nisibis | 200s | 337 or 338 | | |
| Jacob of Serugh | c. 451 | 29 November 521 | | |
| Jacobo Kyushei Tomonaga | c.1582 | 17 August 1633 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Jacques Berthieu | 27 November 1838 | 8 June 1896 | 21 October 2012 by Pope Benedict XVI | |
| Jadwiga of Poland | 3 October 1373–18 February 1374 | 17 July 1399 | 8 June 1997 by Pope John Paul II | |
| Jaime Hilario Barbal | 2 January 1898 | 18 January 1937 | 21 November 1999 by Pope John Paul II | |
| James Buuzaabalyaawo [sw] | 1800s | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| James Kisai | 1533 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| James Lacobs | 1541 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| James of the Marches | c. 1391 | 28 November 1476 | 10 December 1726 by Pope Benedict XIII | |
| James the Greater | c. 3 AD | 44 AD | found in Roman Martyrology | |
| James the Just | unknown | 62 or 69 AD | found in Roman Martyrology | |
| James the Less | 1st century BC | c. 62 AD | found in Roman Martyrology | |
| Jan of Oisterwijk | 1504 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Jan Sarkander | 20 December 1576 | 17 March 1620 | 21 May 1995 by Pope John Paul II | |
| Jane Frances de Chantal | 28 January 1572 | 13 December 1641 | 16 July 1767 by Pope Clement XIII | |
| Januarius | 200s | c. 305 | found in Roman Martyrology | Bishop of Benevento |
| Jean de Brébeuf | 25 March 1593 | 16 March 1649 | 29 June 1930 by Pope Pius XI | One of the Canadian Martyrs |
| Jean de Lalande | unknown | 19 October 1646 | 29 June 1930 by Pope Pius XI | One of the Canadian Martyrs |
| Jean-Baptiste de La Salle | 30 April 1651 | 7 April 1719 | 24 May 1900 by Pope Leo XIII | |
| Jeanne de Lestonnac | 27 December 1556 | 2 February 1640 | 15 May 1949 by Pope Pius XII | Widow; founder of the Sisters of the Company of Mary |
| Jeanne Delanoue | 18 June 1666 | 17 August 1736 | 31 October 1982 by Pope John Paul II | Founder of the Servants of the Poor |
| Jeanne Jugan | 25 October 1792 | 29 August 1879 | 11 October 2009 by Pope Benedict XVI | |
| Jeanne-Antide Thouret | 27 November 1765 | 24 August 1826 | 14 January 1934 by Pope Pius XI | Founder of the Sisters of Charity of Saint Joan Antida Thouret |
| Jenaro Sánchez Delgadillo | 19 September 1886 | 17 January 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Jerome | c. 347 | 30 September 420 | found in Roman Martyrology | Translated the Vulgate |
| Jerome of Weert | 1522 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Jesús Méndez Montoya [es] | 10 June 1880 | 5 February 1928 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Joachim | c. 50 BC | 15 AD | found in Roman Martyrology | |
| Joachim Sakakibara [fi] | 1556 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Joan Elizabeth Bichier des Âges | 5 July 1773 | 26 August 1838 | 6 July 1947 by Pope Pius XII | Cofounder of the Sisters of the Cross |
| Joan of Arc | 1412 | 30 May 1431 | 16 May 1920 by Pope Benedict XV | French heroine and martyr |
| Joan of France | 23 April 1464 | 4 February 1505 | 28 May 1950 by Pope Pius XII | |
| Joaquina Vedruna de Mas | 16 April 1783 | 28 August 1854 | 12 April 1959 by Pope John XXIII | |
| John Almond | c. 1577 | 5 December 1612 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John Berchmans | 13 March 1599 | 13 August 1621 | 15 January 1888 by Pope Leo XIII | |
| John Bosco | 16 August 1815 | 31 January 1888 | 1 April 1934 by Pope Pius XI | |
| John Boste | 1544 | 24 July 1594 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John Buonagiunta Monetti | 1200s | 1256 | 15 January 1888 by Pope Leo XIII | One of the Seven Holy Founders of the Servite Order |
| John Cantius | 23 June 1390 | 24 December 1473 | 16 July 1767 by Pope Clement XIII | |
| John Cassian | c. 360 | c. 435 | | |
| John Chrysostom | c. 349 | 14 September 407 | found in Roman Martyrology | |
| John de Britto | 1 March 1647 | 4 February 1693 | 22 June 1947 by Pope Pius XII | |
| John Eudes | 14 November 1601 | 19 August 1680 | 31 May 1925 by Pope Pius XI | |
| John Fisher | c. 19 October 1469 | 22 June 1535 | 19 May 1935 by Pope Pius XI | |
| John Francis Regis | 31 January 1597 | 31 December 1640 | 5 April 1737 by Pope Clement XII | |
| John Gabriel Perboyre | 6 January 1802 | 11 September 1840 | 2 June 1996 by Pope John Paul II | |
| John Gualbert | c. 985 | 12 July 1073 | 24 October 1193 by Pope Celestine III | |
| John Henry Newman | 21 February 1801 | 11 August 1890 | 13 October 2019 by Pope Francis | |
| John Houghton | c. 1487 | 4 May 1535 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John Jones | 1559 | 12 July 1598 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John Joseph of the Cross | 15 August 1654 | 5 March 1739 | 26 May 1839 by Pope Gregory XVI | |
| John Kemble | 1599 | 22 August 1679 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John Kisaka | 1500s | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| John Lloyd | 1500s | 22 July 1679 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John Macias | 2 March 1585 | 16 September 1645 | 28 September 1975 by Pope Paul VI | Professed religious of the Dominicans |
| John Maria Muzeeyi [sw] | 1800s | 27 January 1887 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| John Maron | 628 | 707 | | First Maronite patriarch |
| John Neumann | 28 March 1811 | 5 January 1860 | 19 June 1977 by Pope Paul VI | |
| John of Ávila | 6 January 1499 | 10 May 1569 | 31 May 1970 by Pope Paul VI | |
| John of Beverley | unknown | 7 May 721 | 1037 by Pope Benedict IX | |
| John of Capistrano | 24 June 1386 | 23 October 1456 | 16 October 1690 by Pope Alexander VIII or 1724 by Pope Benedict XIII | |
| John of Cologne | 1500s | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| John of Damascus | 675 or 676 | 4 December 749 | found in Roman Martyrology | |
| John of Dukla | 1414 | 1484 | 10 June 1997 by Pope John Paul II | |
| John of God | 8 March 1495 | 8 March 1550 | 16 October 1690 by Pope Alexander VIII | |
| John of Matha | 23 June 1160 | 17 December 1213 | 21 October 1666 (cultus confirmed) by Pope Alexander VII | |
| John of Meda | 1100 | 26 September 1159 | c. 1170 by Pope Alexander III | |
| John of Nepomuk | c. 1345 | 20 March 1393 | 19 March 1729 by Benedict XIII | |
| John of Rome | 200s | 304 | found in Roman Martyrology | |
| John of Sahagún | 24 June 1419 | 11 June 1479 | 16 October 1690 by Pope Alexander VIII | |
| John of Trogir | c. 1034 | c. 1111 | | |
| John of Tufara | 1084 | 14 November 1170 | 28 August 1221 by elevatio et translatio corporis officiato | |
| John of the Cross | 1542 | 14 December 1591 | 27 December 1726 by Pope Benedict XIII | |
| John Ogilvie | 1579 | 10 March 1615 | 17 October 1976 by Pope Paul VI | |
| John Payne | 1532 | 2 April 1582 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John Plessington | c. 1637 | 19 July 1679 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John Rigby | c. 1570 | 21 June 1600 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John Roberts | c. 1577 | 10 December 1610 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John Soan de Goto [es] | c. 1578 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| John Southworth | 1592 | 28 June 1654 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John Stone | 1400s | c. December 1539 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| John the Apostle | c. 6 AD | c. 100 AD | found in Roman Martyrology | |
| John the Baptist | 1st century BC | 28–36 AD | found in Roman Martyrology | |
| John Twenge | 1320 | 10 October 1379 | 1401 by Pope Boniface IX | |
| John Vianney | 8 May 1786 | 4 August 1859 | 31 May 1925 by Pope Pius XI | |
| John Wall | 1620 | 22 August 1679 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Jón Ögmundsson | 1052 | 23 April 1121 | 1201 by Pope Innocent III | |
| Josaphat Kuntsevych | c. 1580 | 12 November 1623 | 29 June 1867 by Pope Pius IX | |
| Jose Gabriel del Rosario Brochero | 16 March 1840 | 26 January 1914 | 16 October 2016 by Pope Francis | |
| José Isabel Flores Varela | 28 November 1866 | 21 June 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| José Maria de Yermo y Parres | 10 November 1851 | 20 September 1904 | 21 May 2000 by Pope John Paul II | |
| José María Robles Hurtado | 3 May 1888 | 26 June 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| José María Rubio | 22 July 1864 | 2 May 1929 | 4 May 2003 by John Paul II | |
| José Sánchez del Río | 28 March 1913 | 10 February 1928 | 16 October 2016 by Pope Francis | One of the Saints of the Cristero War |
| Josemaría Escrivá | 9 January 1902 | 26 June 1975 | 6 October 2002 by Pope John Paul II | |
| Josep Manyanet i Vives | 7 January 1833 | 17 December 1901 | 16 May 2004 by Pope John Paul II | |
| Joseph | 1st century BC | 0s | found in Roman Martyrology | Husband of the Blessed Virgin Mary |
| Joseph Cafasso | 15 January 1811 | 23 June 1860 | 22 June 1947 by Pope Pius XII | |
| Joseph Calasanz | 11 September 1557 | 25 August 1648 | 16 July 1767 by Pope Clement XIII | |
| Joseph Freinademetz | 15 April 1852 | 28 January 1908 | 5 October 2003 by Pope John Paul II | |
| Joseph Marello | 26 December 1844 | 30 May 1895 | 25 November 2001 by Pope John Paul II | |
| Joseph Mukasa Balikuddembe | 1860 | 15 November 1885 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Joseph of Anchieta, S.J. | 19 March 1534 | 9 June 1597 | 3 April 2014 by Pope Francis | |
| Joseph of Cupertino | 17 June 1603 | 18 September 1663 | 16 July 1767 by Pope Clement XIII | |
| Joseph of Leonessa | 1556 | 4 February 1612 | 29 June 1746 by Pope Benedict XIV | |
| Joseph Oriol | 23 November 1650 | 23 March 1702 | 20 May 1909 by Pope Pius X | |
| Joseph Pignatelli | 27 December 1737 | 15 November 1811 | 12 June 1954 by Pope Pius XII | Professed priest of the Jesuits |
| Joseph Vaz | 21 April 1651 | 16 January 1711 | 14 January 2015 by Pope Francis | Priest of the Oratorians |
| Joseph Volotsky | 1439 or 1440 | 9 September 1515 | 1578 by Pope Gregory XIII | |
| Josephine Bakhita | c. 1869 | 8 February 1947 | 1 October 2000 by Pope John Paul II | |
| Jovita | unknown | 120 | found in Roman Martyrology | |
| Józef Bilczewski | 26 April 1860 | 20 March 1923 | 23 October 2005 by Pope Benedict XVI | |
| Józef Sebastian Pelczar | 17 January 1842 | 28 March 1924 | 18 May 2003 by Pope John Paul II | |
| Juan de Ribera | 20 March 1532 | 6 January 1611 | 12 June 1960 by Pope John XXIII | Archbishop of Valencia |
| Juan del Castillo | 14 September 1595 | 17 November 1628 | 16 May 1988 by Pope John Paul II | |
| Juan Diego | 1474 | 1548 | 31 July 2002 by Pope John Paul II | First Roman Catholic indigenous American saint |
| Juan García López-Rico | 10 July 1561 | 14 February 1613 | 25 May 1975 by Pope Paul VI | |
| Juan Grande Román | 6 March 1546 | 3 June 1600 | 2 June 1996 by Pope John Paul II | |
| Juan Jacob Fernández | 25 July 1808 | 10 July 1860 | 20 October 2024 by Pope Francis | |
| Juan of Tlaxcala | c. 1516 | 1529 | 15 October 2017 by Pope Francis | One of the Child Martyrs of Tlaxcala |
| Judas Cyriacus | 0s | 133 | found in Roman Martyrology | |
| Jude the Apostle | 0s | 0s | found in Roman Martyrology | Also known as Jude Thaddeus |
| Julia of Corsica | unknown | c. 439 | | |
| Julián Alfredo [es] | 24 December 1903 | 9 October 1934 | 21 November 1999 by Pope John Paul II | One of the Martyrs of Turon |
| Julian of Antioch | 200s | c. 305 AD | found in Roman Martyrology | |
| Julian of Cuenca | c. 1127 | 28 January 1208 | 18 October 1594 by Pope Clement VIII | |
| Julian of Mesopotamia | unknown | 300s | found in Roman Martyrology | |
| Julian of Sora | unknown | 150 | found in Roman Martyrology | |
| Juliana Falconieri | 1270 | 19 June 1341 | 16 June 1737 by Pope Clement XII | |
| Juliana of Liège | 1192–1193 | 5 April 1258 | 1869 by Pope Pius IX | |
| Juliana of Nicomedia | c. 286 | c. 304 | found in Roman Martyrology | |
| Julie Billiart | 12 July 1751 | 8 April 1816 | 22 June 1969 by Pope Paul VI | Founder of the Sisters of Notre Dame de Namur. |
| Julio Álvarez Mendoza | 20 December 1866 | 30 March 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Julius of Novara | 300s | 401 | found in Roman Martyrology | |
| Julius of Rome | 100s | 190 | found in Roman Martyrology | |
| Junípero Serra | 24 November 1713 | 28 August 1784 | 23 September 2015 by Pope Francis | Professed priest of the Franciscan Friars Minor |
| Justin Martyr | 100 | 165 | found in Roman Martyrology | |
| Justin of Chieti | unknown | 200s, 300s, or 500s | found in Roman Martyrology | |
| Justin of Siponto | 200s | c. 310 | | |
| Justina of Padua | 200s | c. 304 | found in Roman Martyrology | |
| Justino Orona Madrigal | 14 April 1877 | 1 July 1928 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Justus of Urgell | 400s | c. 527 | found in Roman Martyrology | |
| Juvenal of Benevento | unknown | 132 | found in Roman Martyrology | |
| Juvenal of Narni | unknown | 3 May 369 or 377 | found in Roman Martyrology | |
| Kalliopi | 200s | c. 250 | | |
| Kateri Tekakwitha | 1656 | 17 April 1680 | 21 October 2012 by Pope Benedict XVI | First Native American to become a saint |
| Katharine Drexel | 26 November 1858 | 3 March 1955 | 1 October 2000 by Pope John Paul II | |
| Kilian | 640 | 8 July 689 | found in Roman Martyrology | |
| Kinga of Poland | 5 March 1234 | 24 July 1292 | 16 June 1999 by Pope John Paul II | |
| Kizito | 1872 | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Kunigunde of Rapperswil | unknown | early 300s | | |
| Kuriakose Elias Chavara | 5 February 1805 | 3 January 1871 | 23 November 2014 by Pope Francis | |
| Ladislaus I of Hungary | c. 1040 | 29 July 1095 | 27 June 1192 by Pope Celestine III | King Saint Ladislaus of Hungary completed the work of King Saint Stephen of Hungary, he consolidated the Hungarian state power and strengthened the Christianity. His charismatic personality, strategic leadership and military talents resulted the termination of internal power struggles and foreign military threats. He was seen as the embodiment of the knight-king ideal to be emulated all over Europe. Saint Ladislaus became the first saint in the world whose identity was confirmed by archaeogenetic tests. |
| Lambert of Maastricht | 636 | c. 705 | | |
| Lambert of Saragossa [es] | unknown | unknown | found in Roman Martyrology | |
| Largus | 200s | c. 303 | found in Roman Martyrology | |
| Laura Montoya | 26 May 1874 | 21 October 1949 | 12 May 2013 by Pope Francis | |
| Laurentia | 200s | 302 | found in Roman Martyrology | |
| Lawrence Giustiniani | 1 July 1381 | 8 January 1456 | 16 October 1690 by Pope Alexander VIII | |
| Lawrence of Brindisi | 22 July 1559 | 22 July 1619 | 8 December 1881 by Pope Leo XIII | |
| Lawrence of Rome | 31 December 225 | 10 August 258 | found in Roman Martyrology | Martyr of Rome |
| Lazarus of Bardiaboch | 200s | 27 March 326 | | |
| Lazarus of Bethany | unknown | 0s | found in Roman Martyrology | |
| Lazarus of Kyoto [pl] | 1500s or 1600s | 29 September 1637 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Leander of Seville | c. 534 | 13 March 600 or 601 | | |
| Leo Karasumaru | 1500s | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Leo of Montefeltro | c. 275 | 366 | | |
| Leoba | c. 710 | 28 September 782 | found in Roman Martyrology | |
| Leocadia | 200s | 9 December c. 304 | found in Roman Martyrology | |
| Leonard of Noblac | 400s–500s | 559 | found in Roman Martyrology | |
| Leonard of Port Maurice | 20 December 1676 | 26 November 1751 | 29 June 1867 by Pope Pius IX | |
| Leonard van Veghel | 1527 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Leonardo Murialdo | 26 October 1828 | 30 March 1900 | 3 May 1970 by Pope Paul VI | |
| Leonie Aviat | 16 September 1844 | 10 January 1914 | 25 November 2001 by Pope John Paul II | |
| Leopold III | 1073 | 15 November 1136 | 6 January 1485 by Pope Innocent VIII | |
| Leopold Mandić | 12 May 1866 | 30 July 1942 | 16 October 1983 by Pope John Paul II | |
| Leucius of Brindisi | 100s | 180 | found in Roman Martyrology | |
| Leutfridus | 600s | 738 | found in Roman Martyrology | |
| Liberalis of Treviso | 300s | 400 | | |
| Liberius of Ravenna | 100s | c. 200 | found in Roman Martyrology | Bishop of Ravenna |
| Libert of Saint-Trond | unknown | 783 | | |
| Liborius of Le Mans | 300s | 396 | found in Roman Martyrology | Bishop of Le Mans |
| Livinus | c. 580 | 12 November 657 | found in Roman Martyrology | |
| Lodovico Pavoni | 11 September 1784 | 1 April 1849 | 16 October 2016 by Pope Francis | Priest and founder of the Sons of Mary Immaculate (Pavonians) |
| Longinus | 0s | 0s | found in Roman Martyrology | |
| Longinus of Satala | 200s | 304 | found in Roman Martyrology | |
| Lorcán Ua Tuathail | 1128 | 14 November 1180 | 11 December 1225 by Pope Honorius III | |
| Lorenzo Ruiz | c. 1600 | 29 September 1637 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Louis Bertrand | 1 January 1526 | 9 October 1581 | 12 April 1671 by Pope Clement X | |
| Louis de Montfort | 31 January 1673 | 28 April 1716 | 20 July 1947 by Pope Pius XII | Priest of the Archdiocese of Rennes; founder of the Company of Mary (Montfort Missionaries), the Daughters of Wisdom, and the Brothers of Saint Gabriel |
| Louis Ibaraki [es] | c. 1585 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Louis IX of France | 25 April 1214 | 25 August 1270 | 11 July 1297 by Pope Boniface VIII | |
| Louis Martin | 22 August 1823 | 29 July 1894 | 18 October 2015 by Pope Francis | |
| Louise de Marillac | 12 August 1591 | 15 March 1660 | 11 March 1934 by Pope Pius XI | |
| Lubentius | c. 300 | c. 370 | | |
| Luca Antonio Falcone | 19 October 1669 | 30 October 1739 | 15 October 2017 by Pope Francis | |
| Lucian of Antioch | c. 240 | 7 January 312 | found in Roman Martyrology | |
| Lucius | unknown | c. 165 | found in Roman Martyrology | |
| Lucius of Britain | unknown | 100s | found in Roman Martyrology | |
| Lucy | c. 283 | 304 | found in Roman Martyrology | |
| Lucy Filippini | 16 January 1672 | 25 March 1732 | 22 June 1930 by Pope Pius XI | Founder of the Religious Teachers Filippini (Filippini Sisters) |
| Ludger | 742 | 26 March 809 | found in Roman Martyrology | |
| Ludmila of Bohemia | c. 860 | 15 September 921 | | |
| Ludovico of Casoria | 11 March 1814 | 30 March 1885 | 23 November 2014 by Pope Francis | |
| Luigi Guanella | 19 December 1842 | 24 October 1915 | 23 October 2011 by Pope Benedict XVI | |
| Luigi Maria Palazzolo | 10 December 1827 | 15 June 1886 | 15 May 2022 by Pope Francis | |
| Luigi Orione | 23 June 1872 | 12 March 1940 | 16 May 2004 by Pope John Paul II | |
| Luigi Scrosoppi | 4 August 1804 | 3 April 1884 | 10 June 2001 by Pope John Paul II | |
| Luis Batis Sáinz | 13 September 1870 | 15 August 1926 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Luke Alonso Gorda [pl] | 18 October 1594 | 19 October 1633 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Luke Kirby | c. 1549 | 30 May 1582 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Luke the Evangelist | unknown | March 84 AD | found in Roman Martyrology | |
| Lukka Baanabakintu [sw] | 1800s | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Lutgardis | 1182 | 16 June 1246 | found in Roman Martyrology | |
| Luxorius | 200s | 21 August c. 304 | found in Roman Martyrology | |
| Lydia of Thyatira | unknown | 0s | found in Roman Martyrology | |
| Macarius of Alexandria | c. 300 | 395 | found in Roman Martyrology | |
| Macarius of Egypt | c. 300 | 391 | found in Roman Martyrology | |
| Macrina the Younger | c. 330 | 19 July 379 | found in Roman Martyrology | |
| Madeleine Sophie Barat | 12 December 1779 | 25 May 1865 | 24 May 1925 by Pope Pius XI | |
| Máedóc of Ferns | c. 558 | 31 January 632 | | |
| Máel Ruba | 642 | 722 | | |
| Magdalene of Canossa | 1 March 1774 | 10 April 1835 | 2 October 1988 by Pope John Paul II | Founder of the Canossian Daughters of Charity and the Canossian Sons of Charity |
| Magdalene of Nagasaki | 1611 | 15 October 1634 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Magnus of Anagni | unknown | 100s | found in Roman Martyrology | |
| Magnus of Cuneo | unknown | 200s | found in Roman Martyrology | |
| Magnus of Fossombrone | unknown | 200s | found in Roman Martyrology | |
| Majolus of Cluny | c. 906 | 11 May 994 | found in Roman Martyrology | |
| Malachy | 1094 | 2 November 1148 | 1190 by Pope Clement III | |
| Malchus of Syria | 300s | c. 390 | found in Roman Martyrology | |
| Manuel González García | 25 February 1877 | 4 January 1940 | 16 October 2016 by Pope Francis | |
| Manuel Míguez González | 24 March 1831 | 8 March 1925 | 15 October 2017 by Pope Francis | |
| Manuel Moralez | 8 February 1898 | 15 August 1926 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Manuel Ruiz López | 5 May 1804 | 10 July 1860 | 20 October 2024 by Pope Francis | |
| María de las Maravillas de Jesús | 4 November 1891 | 11 December 1974 | 4 May 2003 by Pope John Paul II | |
| Marcella of Marseille | unknown | 0s | | |
| Marcellin Champagnat | 20 May 1789 | 6 June 1840 | 18 April 1999 by Pope John Paul II | Professed priest of the Society of Mary, Marist Missionaries; founder of the Marist Brothers of the Schools |
| Marcellinus | 200s | c. 304 | found in Roman Martyrology | |
| Marcellinus of Tomi | 200s | c. 320 | found in Roman Martyrology | |
| Marcellus of Capua | 300s or 400s | 300s or 400s | found in Roman Martyrology | |
| Marcian of Tortona | 0s | c. 120 | found in Roman Martyrology | |
| Marciana of Mauretania | 200s | 303 | found in Roman Martyrology | |
| Marciano José | 15 November 1900 | 9 October 1934 | 21 November 1999 by Pope John Paul II | One of the Martyrs of Turon |
| Marcianus | 200s | 304 | found in Roman Martyrology | |
| Margaret Clitherow | 1556 | 25 March 1586 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Margaret Mary Alacoque | 22 July 1647 | 17 October 1690 | 13 May 1920 by Pope Benedict XV | Professed religious of the Visitation Nuns |
| Margaret of Castello | 1287 | 12 April 1320 | 24 April 2021 (equipollent) by Pope Francis | |
| Margaret of Cortona | 1247 | 22 February 1297 | 16 May 1728 by Pope Benedict XIII | |
| Margaret of Hungary | 27 January 1242 | 18 January 1270 | 19 November 1943 by Pope Pius XII | |
| Margaret of Scotland | c. 1045 | 16 November 1093 | 1250 by Pope Innocent IV | Married layperson and queen of Scotland |
| Margaret the Virgin | 289 | 304 | found in Roman Martyrology | |
| Margaret Ward | c. 1550 | 30 August 1588 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Margarito Flores García | 22 February 1899 | 12 November 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Marguerite Bays | 8 September 1815 | 27 June 1879 | 13 October 2019 by Pope Francis | |
| Marguerite Bourgeoys | 17 April 1620 | 12 January 1700 | 31 October 1982 by Pope John Paul II | Founder of the Sisters of the Congregation of Notre Dame of Montreal |
| María Antonia de Paz y Figueroa | 1730 | 7 October 1799 | 11 February 2024 by Pope Francis | Argentina's first female saint |
| Maria Bernarda Bütler | 28 May 1848 | 19 May 1924 | 12 October 2008 by Pope Benedict XVI | |
| Maria Bertilla Boscardin | 6 October 1888 | 20 October 1922 | 11 May 1961 by Pope John XXIII | |
| Maria Crescentia Höss | 20 October 1682 | 5 April 1744 | 25 November 2001 by John Paul II | Professed religious of the Franciscan Nuns of the Third Order Regular |
| Maria Cristina of the Immaculate Conception Brando | 1 May 1856 | 20 January 1906 | 17 May 2015 by Pope Francis | |
| Maria Crocifissa di Rosa | 6 November 1813 | 15 December 1855 | 12 June 1954 by Pope Pius XII | |
| María de la Purísima Salvat Romero | 20 February 1926 | 31 October 1998 | 18 October 2015 by Pope Francis | |
| Maria De Mattias | 4 February 1805 | 20 August 1866 | 18 May 2003 by Pope John Paul II | |
| Maria Domenica Mantovani | 12 November 1862 | 2 February 1934 | 15 May 2022 by Pope Francis | |
| Maria Domenica Mazzarello | 9 May 1837 | 14 May 1881 | 24 June 1951 by Pope Pius XII | |
| Maria Giuseppa Rossello | 27 May 1811 | 7 December 1880 | 12 June 1949 by Pope Pius XII | |
| Maria Goretti | 16 October 1890 | 6 July 1902 | 24 June 1950 by Pope Pius XII | |
| María Guadalupe García Zavala | 27 April 1878 | 24 June 1963 | 12 May 2013 by Pope Francis | |
| María Josefa Sancho de Guerra | 7 September 1842 | 20 March 1912 | 1 October 2000 by Pope John Paul II | |
| Maria Katharina Kasper | 26 May 1820 | 2 February 1898 | 14 October 2018 by Pope Francis | |
| Maria Micaela Desmaisieres | 1 January 1809 | 24 August 1865 | 4 March 1934 by Pope Pius XI | |
| María Natividad Venegas de la Torre | 8 September 1868 | 30 July 1959 | 21 May 2000 by Pope John Paul II | |
| Maria Soledad Torres y Acosta | 2 December 1826 | 11 October 1887 | 25 January 1970 by Pope Paul VI | |
| Mariam Baouardy | 5 January 1846 | 26 August 1878 | 17 May 2015 by Pope Francis | |
| Mariam Thresia Chiramel | 26 April 1876 | 8 June 1926 | 13 October 2019 by Pope Francis | Syro-Malabar Catholic nun and the founder of the Congregation of the Holy Family |
| Mariana de Jesús de Paredes | 31 October 1618 | 26 May 1645 | 9 July 1950 by Pope Pius XII | Layperson of the Archdiocese of Quito, member of the Secular Franciscans |
| Marianne Cope | 23 January 1838 | 9 August 1918 | 21 October 2012 by Pope Benedict XVI | |
| Marie of the Incarnation | 28 October 1599 | 30 April 1672 | 3 April 2014 by Pope Francis | Canonized by equivalent canonization and founder of the Ursulines of Quebec convent. |
| Marie-Adolphine | 8 March 1866 | 9 July 1900 | 1 October 2000 by Pope John Paul II | One of the Martyr Saints of China |
| Marie-Alphonsine Danil Ghattas | 4 October 1843 | 25 March 1927 | 17 May 2015 by Pope Francis | |
| Marie-Azélie Guérin | 23 December 1831 | 28 August 1877 | 18 October 2015 by Pope Francis | |
| Marie-Eugénie de Jésus | 25 August 1817 | 10 March 1898 | 3 June 2007 by Pope Benedict XVI | |
| Marie-Léonie Paradis | 12 May 1840 | 3 May 1912 | 20 October 2024 by Pope Francis | |
| Marie-Madeleine Postel | 28 November 1756 | 16 July 1846 | 24 May 1925 by Pope Pius XI | Founder of the Sisters of the Christian Schools of Saint Julie Postel |
| Marie-Marguerite d'Youville | 15 October 1701 | 23 December 1771 | 9 December 1990 by Pope John Paul II | Widow; founder of the Sisters of Charity of Montreal (Gray Sisters) |
| Marie-Nicolas-Antoine Daveluy | 16 March 1818 | 30 March 1866 | 6 May 1984 by Pope John Paul II | One of the Korean Martyrs |
| Marina of Aguas Santas | 119 | 139 | found in Roman Martyrology | |
| Marina of Omura | 1500s or 1600s | 11 November 1634 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Marinus | 200s | 366 | found in Roman Martyrology | |
| Marius | 200s | 270 | found in Roman Martyrology | |
| Mark the Evangelist | 5 AD | 25 April 68 | found in Roman Martyrology | |
| Marko Krizin | 1589 | 7 September 1619 | 2 July 1995 by Pope John Paul II | |
| Marolus | 300s | 23 April 423 | found in Roman Martyrology | |
| Maron | 300s | 410 | | |
| Martha of Bethany | unknown | 0s | found in Roman Martyrology | |
| Martha of Persia | 200s | 270 | found in Roman Martyrology | |
| Martin de Porres | 9 December 1579 | 3 November 1639 | 6 May 1962 by Pope John XXIII | Professed religious of the Dominicans |
| Martin of Leon | c. 1130 | 12 January 1203 | | |
| Martin of the Ascension [es] | c. 1567 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Martin of Tours | 316 or 336 | 8 November 397 | found in Roman Martyrology | |
| Martina of Rome | unknown | 228 | found in Roman Martyrology | |
| Martinian | c. 30 AD | c. 67 AD | found in Roman Martyrology | |
| Martinianus | 300s | 29 December 435 | found in Roman Martyrology | |
| Maruthas of Martyropolis | 300s | c. 420 | found in Roman Martyrology | |
| Mary | c. 8 September 18 BC | 0s | found in Roman Martyrology | Mother of Jesus Christ |
| Mary Euphrasia Pelletier | 31 July 1796 | 24 April 1868 | 2 May 1940 by Pope Pius XII | |
| Mary Frances of the Five Wounds | 25 March 1715 | 7 October 1791 | 29 June 1867 by Pope Pius IX | |
| Mary MacKillop | 15 January 1842 | 8 August 1909 | 17 October 2010 by Pope Benedict XVI | |
| Mary Magdalene | unknown | 0s | found in Roman Martyrology | |
| Mary Magdalene de' Pazzi | 2 April 1566 | 25 May 1607 | 28 April 1669 by Pope Clement IX | |
| Mary of Bethany | unknown | 0s | found in Roman Martyrology | Identified as Mary of Magdalene historically |
| Mateo Correa Magallanes | 23 July 1866 | 6 February 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Matilda of Ringelheim | c. 894 or 897 | 14 March 968 | found in Roman Martyrology | |
| Matiya Mulumba | 1836 | 30 May 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Matthew Kohioye [pl] | 1615 | 19 October 1633 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Matthew the Apostle | 0s | 0s | found in Roman Martyrology | |
| Matthias | 0s | c. 80 AD | found in Roman Martyrology | |
| Matthias of Jerusalem | 0s | 120 | found in Roman Martyrology | |
| Matthias of Miyako [fi] | 1500s | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Maura | unknown | 300s | | |
| Maurice | 200s | 287 | found in Roman Martyrology | |
| Maurus | 1 January 512 | 15 January 584 | found in Roman Martyrology | |
| Maximilian Kolbe | 8 January 1894 | 14 August 1941 | 10 October 1982 by Pope John Paul II | |
| Maximus of Évreux | 300s | c. 384 | | |
| Maximus of Naples | unknown | 361 | found in Roman Martyrology | |
| Maximus of Rome | unknown | c. 260 | found in Roman Martyrology | |
| Maximus the Confessor | c. 580 | 13 August 662 | found in Roman Martyrology | |
| Mbaga Tuzinde [sw] | 1800s | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Mechtilde | c.1241 | 19 November 1298 | | |
| Meinhard | 1334 or 1336 | 1196 | 8 September 1993 (equipollent) by Pope John Paul II | Professed priest of the Canons Regular of Saint Augustine, Bishop of Latvia |
| Meinrad of Einsiedeln | c. 797 | 21 January 861 | found in Roman Martyrology | |
| Melania the Younger | c. 383 | 31 December 439 | found in Roman Martyrology | |
| Melchior Grodziecki | c. 1582 | 7 September 1619 | 2 July 1995 by Pope John Paul II | |
| Meletius of Antioch | 300s | 381 | found in Roman Martyrology | |
| Melito of Sardis | 100s | 180 | |
| Melangell | 500s | 590 | | |
| Menas | 285 | c. 309 | found in Roman Martyrology | |
| Menodora | 200s | 305–311 | found in Roman Martyrology | |
| Methodius | 815 | 6 April 885 | found in Roman Martyrology | |
| Methodius of Olympus | 200s | c. 311 | | |
| Metrodora | 200s | 305–311 | found in Roman Martyrology | |
| Mercurialis of Forlì | 300s | 406 | found in Roman Martyrology | |
| Michael de Sanctis | 29 September 1591 | 10 April 1625 | 8 June 1862 by Pope Pius IX | |
| Michael Kozaki [fi] | c. 1551 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Michael Kurobioye [pl] | 1500s or 1600s | 17 August 1633 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Michel Garicoïts | 15 April 1797 | 14 May 1863 | 6 July 1947 by Pope Pius XII | |
| Miguel de Aozaraza [pl] | 7 February 1598 | 29 September 1637 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Miguel de la Mora [es] | 19 June 1874 | 7 August 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Miguel Febres Cordero | 7 November 1854 | 9 February 1910 | 21 October 1984 by Pope John Paul II | |
| Mildrith | c. 660 | c. 730 | | |
| Mirocles | 200s | 30 November c. 316 | | |
| Mo Chutu of Lismore | unknown | 14 May 639 | | |
| Monica | 332 | 387 | found in Roman Martyrology | |
| Moninne | c. 435 | c. 517 | | |
| Monitor | | c. 490 | | Bishop of Orléans |
| Moses the Black | 330 | 405 | found in Roman Martyrology | |
| Mugagga Lubowa [sw] | 1800s | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Mukasa Kiriwawanvu [sw] | 1800s | 3 June 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Munditia | 200s | c. 310 | | |
| Mungo | 518 | 13 January 614 | | |
| Mutien-Marie Wiaux | 20 March 1841 | 30 January 1917 | 10 December 1989 by Pope John Paul II | |
| Nabor of Milan | 200s | c. 303 | found in Roman Martyrology | |
| Nabor of Rome | 200s | c. 303 | found in Roman Martyrology | |
| Narcisa de Jesús | 29 October 1832 | 8 December 1869 | 12 October 2008 by Pope Benedict XVI | |
| Narcissus | 200s | c. 320 | found in Roman Martyrology | |
| Narnus | unknown | 345 | found in Roman Martyrology | |
| Natalis | unknown | 700s | | |
| Naum | c. 830 | 23 December 910 | | |
| Nazaria Ignacia March Mesa | 10 January 1889 | 6 July 1943 | 14 October 2018 by Pope Francis | |
| Nazarius | unknown | unknown | found in Roman Martyrology | |
| Nazarius of Rome | 200s | c. 303 | found in Roman Martyrology | |
| Nectarius of Auvergne | 200s | c. 300 | | |
| Nereus | 0s | c. 100 | found in Roman Martyrology | |
| Nerses I | 300s | 373 | | |
| Nicanor Ascanio Soria | 1814 | 10 July 1860 | 20 October 2024 by Pope Francis | |
| Nicanor the Deacon | unknown | 76 AD | found in Roman Martyrology | |
| Nicasius of Die | 200s | 300s | | |
| Nicasius of Heeze | 1522 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Nicetas the Goth | 300s | 372 | found in Roman Martyrology | |
| Nicholas of Flüe | 1417 | 21 March 1487 | 15 May 1947 by Pope Pius XII | |
| Nicholas of Myra | 15 March 270 | 6 December 342 | found in Roman Martyrology | |
| Nicholas of Tolentino | c. 1246 | 10 September 1305 | 5 June 1446 by Pope Eugene IV | |
| Nicholas Owen | c. 1562 | 1 or 2 March 1606 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Nicholas Pieck | 29 August 1534 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Nicholas Poppel | 1532 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Nicholas Tavelic | c. 1340 | 14 November 1391 | 21 June 1970 by Pope Paul VI | |
| Nicholas the Pilgrim | 1075 | 2 June 1094 | 1098 by Pope Urban II | |
| Nicodemus | c. 1 BC | 0s | found in Roman Martyrology | |
| Nicola Saggio | 6 January 1650 | 3 February 1709 | 23 November 2014 by Pope Francis | Professed Oblate of the Minims |
| Nicolás María Alberca Torres | 10 September 1830 | 10 July 1860 | 20 October 2024 by Pope Francis | |
| Nicomedes | unknown | 0s | found in Roman Martyrology | |
| Nilus of Palestine | 200s | c. 304 | found in Roman Martyrology | |
| Nilus of Sinai | 300s | 12 November 430 | found in Roman Martyrology | |
| Nimatullah Kassab | 1808 | 14 December 1858 | 16 May 2004 by Pope John Paul II | |
| Ninian | 300s | c. 432 | | |
| Nino | c. 280 | c. 332 | | |
| Noël Chabanel | 2 February 1613 | 8 December 1649 | 29 June 1930 by Pope Pius XI | One of the Canadian Martyrs |
| Norbert of Xanten | c. 1075 | 6 June 1134 | 1582 by Pope Gregory XIII | |
| Nothhelm | 600s | 17 October 739 | | |
| Novatus | unknown | 151 | found in Roman Martyrology | |
| Nowa Mawaggali [sw] | 1800s | 31 May 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Nuno Álvares Pereira | 24 June 1360 | 1 April 1431 | 26 April 2009 by Pope Benedict XVI | |
| Nunzio Sulprizio | 13 April 1817 | 5 May 1836 | 14 October 2018 by Pope Francis | |
| Nympha | unknown | c. 250 | found in Roman Martyrology | |
| Nymphodora | 200s | 305–311 | found in Roman Martyrology | |
| Oda | c. 680 | c. 726 | | |
| Odile of Alsace | 660 | 0720 | | |
| Odilia of Cologne | 300s | 300s | found in Roman Martyrology | |
| Odilo of Cluny | c. 962 | 1 January 1049 | found in Roman Martyrology | |
| Odo of Cluny | c. 880 | 18 November 942 | found in Roman Martyrology | |
| Olaf II of Norway | 995 | 29 July 1030 | found in Roman Martyrology | |
| Olga of Kiev | 890–925 | 969 | | Also known as Elena |
| Oliva of Brescia | unknown | 138 | | |
| Oliver Plunkett | 1 November 1625 | 1 July 1681 | 12 October 1975 by Pope Paul VI | |
| Onesimus | unknown | c. 68 AD | found in Roman Martyrology | |
| Onesiphorus | unknown | c. 81 AD | found in Roman Martyrology f | |
| Onuphrius | unknown | 300s or 400s | found in Roman Martyrology | |
| Optatus | unknown | 300s | found in Roman Martyrology | |
| Oran of Iona | 400s | 500s | | |
| Orentius | 200s | 304 | found in Roman Martyrology | |
| Orientius | unknown | 400s | found in Roman Martyrology | |
| Osana | 698 | 750 | | |
| Óscar Romero | 15 August 1917 | 24 March 1980 | 14 October 2018 by Pope Francis | |
| Osmund | 1000s | 3 or 4 December 1099 | 1 January 1457 by Pope Callixtus III | |
| Othmar | c. 689 | c. 759 | | |
| Otto of Bamberg | c. 1060 | 30 June 1139 | 1189 by Pope Clement III | |
| Ovidius | unknown | c. 135 | | |
| Pachomius the Great | 292 | 9 May 348 | found in Roman Martyrology | |
| Pacian | c. 310 | c. 391 | found in Roman Martyrology | |
| Pacificus of San Severino | 1 March 1653 | 24 September 1721 | 26 May 1839 by Pope Gregory XVI | |
| Palatias | 200s | 302 | found in Roman Martyrology | |
| Pamphilus of Caesarea | late 200s | 16 February 309 | | |
| Pancras of Rome | c. 289 | 12 May 303 or 304 | found in Roman Martyrology | |
| Pancras of Taormina | unknown | c. 40 AD | found in Roman Martyrology | |
| Pantaenus | 100s | c. 200 | found in Roman Martyrology | |
| Pantagathus [fr] | unknown | 17 April 541 | found in Roman Martyrology | |
| Pantaleon | c. 275 | 305 | found in Roman Martyrology | |
| Paola Elisabetta Cerioli | 28 January 1816 | 24 December 1865 | 16 May 2004 by Pope John Paul II | |
| Paphnutius of Thebes | 200s | 300s | found in Roman Martyrology | |
| Papias of Hierapolis | unknown | 100s | found in Roman Martyrology | |
| Parmenas | 0s | 98 AD | found in Roman Martyrology | One of the Seven Deacons |
| Parthenius | unknown | 200s | found in Roman Martyrology | |
| Paschal Baylon | 16 May 1540 | 17 May 1592 | 16 October 1690 by Pope Alexander VIII | |
| Paschasius Radbertus | 785 | 865 | 1073 by Pope Gregory VII | |
| Patermutius | unknown | 300s | | |
| Paternus of Auch | unknown | 150 | | |
| Patiens | unknown | 12 November 150 | | |
| Patrick | unknown | 400s | found in Roman Martyrology | |
| Paul Chong Hasang | c. 1794 | 22 September 1839 | 6 May 1984 by Pope John Paul II | One of the Korean Martyrs |
| Paul Ibaraki | 1500s | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Paul Miki | c. 1562 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Paul of the Cross | 3 January 1694 | 18 October 1775 | 29 June 1867 by Pope Pius IX | |
| Paul of Thebes | c. 227 | c. 342 | | First hermit |
| Paul Suzuki | 1563 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Paul the Apostle | c. 5 AD | c. 64 or 67 AD | found in Roman Martyrology | |
| Paul the Simple | c. 225 | c. 339 | found in Roman Martyrology | |
| Paula Frassinetti | 3 March 1809 | 11 June 1882 | 11 March 1984 by Pope John Paul II | |
| Paula Montal Fornés | 11 October 1799 | 26 February 1889 | 25 November 2001 by Pope John Paul II | |
| Pauline of the Agonizing Heart of Jesus | 16 December 1865 | 9 July 1942 | 19 May 2002 by Pope John Paul II | |
| Paulinus II of Aquileia | c. 726 | 802 or 804 | | |
| Paulinus of Antioch | unknown | 67 AD | found in Roman Martyrology | |
| Paulinus of Nola | 354 | 22 June 431 | | |
| Paulinus of Trier | unknown | 358 | found in Roman Martyrology | |
| Pausilippus | unknown | 130 | found in Roman Martyrology | |
| Pedro Armengol | c. 1238 | 27 April 1304 | 8 April 1687 by Pope Innocent XI | |
| Pedro Calungsod | 21 July 1654 | 2 April 1672 | 21 October 2012 by Pope Benedict XVI | |
| Pedro de Arbués | c. 1441 | 17 September 1485 | 29 June 1867 by Pope Pius IX | |
| Pedro Esqueda Ramirez | 29 April 1887 | 22 November 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Pedro Nolasco Soler Méndez | 1827 | 10 July 1860 | 20 October 2024 by Pope Francis | |
| Pedro Poveda Castroverde | 3 December 1874 | 28 July 1936 | 4 May 2003 by Pope John Paul II | |
| Pega | c. 673 | c.719 | | |
| Pelagia of Tarsus | unknown | 300s | found in Roman Martyrology | |
| Peleus | unknown | 300s | found in Roman Martyrology | |
| Peregrine Laziosi | c. 1260 | 1 May 1345 | 27 December 1726 by Pope Benedict XIII | |
| Peregrine of Auxerre | 200s | c. 304 | found in Roman Martyrology | |
| Peregrinus | 0s | 138 | |
| Perpetua | 182 | 7 March 203 | found in Roman Martyrology | See also Passion of Saint Perpetua, Saint Felicitas, and their Companions |
| Peter | c. 1 AD | 64–68 AD | found in Roman Martyrology | |
| Peter Balsam | 200s | 311 | found in Roman Martyrology | Crucified at Aulane during the Maximinian persecution |
| Peter Baptist [it] | 24 June 1542 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Peter Canisius | 8 May 1521 | 21 December 1597 | 21 May 1925 by Pope Pius XI | |
| Peter Chanel | 12 July 1803 | 28 April 1841 | 12 June 1954 by Pope Pius XII | Professed priest of the Society of Mary, Marist Missionaries; martyr |
| Peter Chrysologus | c. 380 | 31 July 450 | found in Roman Martyrology | |
| Peter Claver | 26 June 1580 | 8 September 1654 | 15 January 1888 by Pope Leo XIII | |
| Peter Damian | c. 988 | 22 February 1072 or 1073 | found in Roman Martyrology | Doctor of the Church |
| Peter de Regalado | 1390 | 30 March 1456 | 29 June 1746 by Pope Benedict XIV | |
| Peter Faber | 14 April 1506 | 1 August 1545 | 17 December 2013 by Pope Francis | |
| Peter Fourier | 30 November 1565 | 9 December 1640 | 27 May 1897 by Pope Leo XIII | |
| Peter González | 1190 | 15 April 1246 | 13 December 1741 (cultus confirmed) by Pope Benedict XIV | |
| Peter Julian Eymard | 4 February 1811 | 1 August 1868 | 9 December 1962 by Pope John XXIII | |
| Peter Nolasco | 1189 | 6 May 1256 | 30 September 1628 by Pope Urban VIII | |
| Peter of Alcantara | 1499 | 18 October 1562 | 28 April 1669 by Pope Clement IX | |
| Peter of Alexandria | 200s | 25 November 311 | | Pope of Alexandria |
| Peter of Anagni | 1000s | 1105 | 4 June 1109 by Pope Pascal II | |
| Peter of Assche | 1530 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Peter of Canterbury | 500s | c. 607 | 1915 (cultus confirmed) by Pope Benedict XV | |
| Peter of Jesus Maldonado | 15 June 1892 | 11 February 1937 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Peter of Narbonne [de] | 1300s | 14 November 1391 | 21 June 1970 by Pope Paul VI | Companion of Nicholas Tavelic |
| Peter of Saint Joseph de Betancur | 21 March 1626 | 25 April 1667 | 30 July 2002 by Pope John Paul II | |
| Peter of Tarentaise | 1102 | 14 September 1174 | 10 May 1191 by Pope Celestine III | |
| Peter of Verona | 1205 | 6 April 1252 | 9 March 1253 by Pope Innocent IV | |
| Peter Sukejiro [pt] | 1500s | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Peter the Exorcist | 200s | c. 304 | found in Roman Martyrology | |
| Peter Thomas | 1305 | 1366 | 1628 (cultus confirmed) by Pope Urban VIII | |
| Petronax of Monte Cassino | 1 May 670 | 6 May 747 | | |
| Petronilla | unknown | c. 90 AD | found in Roman Martyrology | |
| Pharnacius of Satala | 200s | 304 | found in Roman Martyrology | |
| Philemon | unknown | 68 AD | found in Roman Martyrology | |
| Philetus | unknown | c. 121 | found in Roman Martyrology | Roman senator |
| Philip Benizi de Damiani | 15 August 1233 | 22 August 1285 | 12 April 1671 by Pope Clement X | |
| Philip Evans | 1645 | 22 July 1679 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Philip Howard | 28 June 1557 | 19 October 1595 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Philip Neri | 21 July 1515 | 25 May 1595 | 12 March 1622 by Pope Gregory XV | |
| Philip of Gortyna | 100s | 180 | found in Roman Martyrology | |
| Philip of Jesus | 1572 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Philip the Apostle | unknown | 80 AD | found in Roman Martyrology | |
| Philo | unknown | 150 | found in Roman Martyrology | |
| Philomena | c. 10 January 291 | c. 10 August 304 | 13 January 1837 by Pope Gregory XVI | Virgin, Martyr |
| Phocas | 0s | 102 | found in Roman Martyrology | |
| Phocas the Gardener | 200s | c. 303 | | |
| Pietro I Orseolo | 928 | 10 January 987 | 18 April 1731 (equivalent) by Pope Clement XII | |
| Pinytus | 100s | 180 | found in Roman Martyrology | |
| Pio of Pietrelcina | 25 May 1887 | 23 September 1968 | 16 June 2002 by Pope John Paul II | |
| Pirmin | 700 | 3 November 753 | | |
| Placidus | 200s | 300s | found in Roman Martyrology | |
| Placidus of Messina | unknown | 500s | | |
| Plautilla | unknown | 67 AD | found in Roman Martyrology | |
| Plechelm | 600s | 730 | c. 950 by Pope Agapetus II | |
| Podius of Florence | 900s | 1002 | found in Roman Martyrology | Bishop of Florence |
| Polycarp | 69 AD | 156 | found in Roman Martyrology | |
| Polydore Plasden | 1563 | 10 December 1591 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Pompilio Maria Pirrotti | 29 September 1710 | 15 July 1766 | 19 March 1934 by Pope Pius XI | Professed priest of the Piarists |
| Ponsiano Ngondwe [sw] | 1800s | 26 May 1886 | 18 October 1964 by Pope Paul VI | One of the Uganda Martyrs |
| Pontianus of Spoleto | c. 156 | 14 January 175 | found in Roman Martyrology | |
| Pope Adeodatus I | 570 | 8 November 618 | found in Roman Martyrology | |
| Pope Adrian III | unknown | 8 July 885 | 2 June 1891 by Pope Leo XIII | |
| Pope Agapetus I | unknown | 22 April 536 | found in Roman Martyrology | |
| Pope Agatho | 600s | 10 January 681 | found in Roman Martyrology | |
| Pope Alexander I | 10 January 75 AD | c. 115 | found in Roman Martyrology | |
| Pope Anacletus | c. 25 | 26 April 92 | found in Roman Martyrology | |
| Pope Anastasius I | 300s | 19 December 401 | found in Roman Martyrology | |
| Pope Anicetus | 0s | c. 20 April 168 | found in Roman Martyrology | |
| Pope Anterus | 100s | 3 January 236 | found in Roman Martyrology | |
| Pope Benedict II | 600s | 8 May 685 | found in Roman Martyrology | |
| Pope Boniface I | 300s | 4 September 422 | found in Roman Martyrology | |
| Pope Boniface IV | 550 | 8 May 615 | found in Roman Martyrology | |
| Pope Caius | 200s | 22 April 296 | found in Roman Martyrology | |
| Pope Callixtus I | 100s | 222 | found in Roman Martyrology | |
| Pope Celestine I | 300s | 1 August 432 | found in Roman Martyrology | |
| Pope Celestine V | 1215 | 19 May 1296 | 5 May 1313 by Pope Clement V | |
| Pope Clement I | c. 35 AD | 99 AD | found in Roman Martyrology | |
| Pope Cornelius | unknown | June 253 | found in Roman Martyrology | |
| Pope Damasus I | c. 305 | 11 December 384 | found in Roman Martyrology | |
| Pope Dionysius | unknown | 26 December 268 | found in Roman Martyrology | |
| Pope Eleutherius | 100s | 189 | found in Roman Martyrology | |
| Pope Eugene I | 615 | 2 June 657 | found in Roman Martyrology | |
| Pope Eugene II | 700s | 27 August 827 | (cultus confirmed) by Pope Pius IX | |
| Pope Eusebius | 200s | 17 August 310 | found in Roman Martyrology | |
| Pope Eutychian | 200s | 7 December 283 | found in Roman Martyrology | |
| Pope Evaristus | 17 April 44 AD | c. 107 | found in Roman Martyrology | |
| Pope Fabian | c. 200 | 20 January 250 | found in Roman Martyrology | |
| Pope Felix I | 200s | 30 December 274 | found in Roman Martyrology | |
| Pope Felix III | 400s | 1 March 492 | found in Roman Martyrology | |
| Pope Felix IV | 490 | 22 September 530 | found in Roman Martyrology | |
| Pope Gelasius I | 400s | 19 November 496 | found in Roman Martyrology | |
| Pope Gregory I | c. 540 | 12 March 604 | found in Roman Martyrology | |
| Pope Gregory II | 669 | 11 February 731 | found in Roman Martyrology | |
| Pope Gregory III | 600s | 28 November 741 | found in Roman Martyrology | |
| Pope Gregory VII | 1015 | 25 May 1085 | 24 May 1728 by Pope Benedict XIII | |
| Pope Hilarius | unknown | 29 February 468 | found in Roman Martyrology | |
| Pope Hormisdas | 450 | 6 August 523 | found in Roman Martyrology | |
| Pope Hyginus | unknown | 142 | found in Roman Martyrology | |
| Pope Innocent I | 300s | 12 March 417 | found in Roman Martyrology | |
| Pope John I | 400s | 18 May 526 | found in Roman Martyrology | |
| Pope John Paul II | 18 May 1920 | 2 April 2005 | 27 April 2014 by Pope Francis | |
| Pope John XXIII | 25 November 1881 | 3 June 1963 | 27 April 2014 by Pope Francis | |
| Pope Julius I | 200s | 12 April 352 | found in Roman Martyrology | |
| Pope Leo I | c. 400 | 10 November 461 | found in Roman Martyrology | Also known as Leo the Great, Doctor of the Church |
| Pope Leo II | 611 | July 683 | found in Roman Martyrology | |
| Pope Leo III | unknown | 12 June 816 | 1673 by Pope Clement X | |
| Pope Leo IV | 790 | 17 July 855 | found in Roman Martyrology | |
| Pope Leo IX | 21 June 1002 | 19 April 1054 | 1082 by Pope Gregory VII | |
| Pope Linus | c. 10 AD | c. 76 AD | found in Roman Martyrology | |
| Pope Lucius I | c. 200 | 5 March 254 | found in Roman Martyrology | |
| Pope Marcellinus | 200s | 304 | found in Roman Martyrology | |
| Pope Marcellus I | 6 January 255 | 16 January 309 | found in Roman Martyrology | |
| Pope Mark | 200s | 7 October 336 | found in Roman Martyrology | |
| Pope Martin I | 21 June 598 | 16 September 655 | found in Roman Martyrology | |
| Pope Miltiades | 200s | 10 or 11 January 314 | found in Roman Martyrology | |
| Pope Nicholas I | 800 | 13 November 867 | 8 May 868 by Pope Adrian II | |
| Pope Paschal I | unknown | 28 June 767 | found in Roman Martyrology | |
| Pope Paul I | 700s | 824 | found in Roman Martyrology | |
| Pope Paul VI | 26 September 1897 | 6 August 1978 | 14 October 2018 by Pope Francis | |
| Pope Pius I | late 1st century | c. 155 | found in Roman Martyrology | |
| Pope Pius V | 17 January 1504 | 1 May 1572 | 22 May 1712 by Pope Clement XI | |
| Pope Pius X | 2 June 1835 | 20 August 1914 | 29 May 1954 by Pope Pius XII | |
| Pope Pontian | 200s | October 235 | found in Roman Martyrology | |
| Pope Sergius I | 650 | 8 September 701 | found in Roman Martyrology | |
| Pope Silverius | 400s | 2 December 538 | found in Roman Martyrology | |
| Pope Simplicius | 400s | 10 March 483 | found in Roman Martyrology | |
| Pope Siricius | 334 | 26 November 399 | found in Roman Martyrology | |
| Pope Sixtus I | 42 AD | 125 | found in Roman Martyrology | |
| Pope Sixtus II | unknown | 6 August 258 | found in Roman Martyrology | |
| Pope Sixtus III | c. 390 | 18 August 440 | found in Roman Martyrology | |
| Pope Soter | unknown | c. 174 | found in Roman Martyrology | |
| Pope Stephen I | unknown | 2 August 257 | found in Roman Martyrology | |
| Pope Stephen IV | c. 770 | 24 January 817 | | |
| Pope Sylvester I | 200s | 31 December 335 | found in Roman Martyrology | |
| Pope Symmachus | 400s | 19 July 514 | found in Roman Martyrology | |
| Pope Telesphorus | unknown | c. 137 | found in Roman Martyrology | |
| Pope Urban I | 100s | 23 May 230 | found in Roman Martyrology f | |
| Pope Victor I | 100s | 199 | found in Roman Martyrology | |
| Pope Vitalian | 600 | 27 January 672 | found in Roman Martyrology | |
| Pope Zachary | 679 | 15 March 752 | found in Roman Martyrology | |
| Pope Zephyrinus | 100s | 20 December 217 | found in Roman Martyrology | |
| Pope Zosimus | 300s | 26 December 418 | found in Roman Martyrology | |
| Possidius | 300s | 400s | found in Roman Martyrology | |
| Potentian | 300s | 390 | found in Roman Martyrology | |
| Pothinus | c. 87 AD | 177 | found in Roman Martyrology | Bishop of Lyon |
| Praejectus | 625 | 25 January 676 | | |
| Praxedes | unknown | 165 | found in Roman Martyrology | |
| Primus | 200s | c. 297 | found in Roman Martyrology | |
| Prisca | 0s | 0s | found in Roman Martyrology | |
| Priscilla and Aquila | 0s | 0s | | Aquila listed among the Seventy Disciples |
| Priscus of Auxerre | unknown | c.272 | found in Roman Martyrology | |
| Processus | c. 30 AD | c. 67 AD | found in Roman Martyrology | |
| Procopius of Sázava | c. 970 | 25 March 1053 | 2 June 1204 by Pope Innocent III or by a liturgical elevation and translation of his body to the altar in Sázava | |
| Proculus of Bologna | 200s | 304 | found in Roman Martyrology | |
| Proculus of Pozzuoli | 200s | c. 305 | | |
| Prosdocimus | 0s | c. 7 November 100 AD | found in Roman Martyrology | |
| Protus | 200s | c. 257–259 | found in Roman Martyrology | |
| Ptolemaeus | unknown | c. 165 | found in Roman Martyrology | |
| Publius | 33 AD | c. 125 | found in Roman Martyrology | |
| Pudens | unknown | 0s | found in Roman Martyrology | |
| Pudentiana | unknown | 100s | found in Roman Martyrology | |
| Pusai | unknown | 344 | | |
| Quadratus of Africa | unknown | unknown | found in Roman Martyrology | |
| Quadratus of Athens | unknown | 129 | found in Roman Martyrology | |
| Quirinus of Neuss | unknown | 30 March 116 | found in Roman Martyrology | |
| Quirinus of Sescia | 200s | 309 | | |
| Rafael Arnáiz Barón | 9 April 1911 | 26 April 1938 | 11 October 2009 by Pope Benedict XVI | |
| Rafael Guízar y Valencia | 26 April 1878 | 6 June 1938 | 15 October 2006 by Pope Benedict XVI | |
| Rafaela Porras Ayllón | 1 March 1850 | 6 January 1925 | 23 January 1977 by Pope Paul VI | |
| Rafqa Pietra Choboq Ar-Rayès | 29 June 1832 | 23 March 1914 | 10 June 2001 by Pope John Paul II | |
| Rainerius | c. 1115 or 1117 | c. 1160 | found in Roman Martyrology | |
| Rais | 200s | 303 | | |
| Ralph Sherwin | 25 October 1550 | 1 December 1581 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Raphael Kalinowski | 1 September 1835 | 15 November 1907 | 17 November 1991 by Pope John Paul II | |
| Raphael Massabki | 1800s | 10 July 1860 | 20 October 2024 by Pope Francis | |
| Raymond Nonnatus | 1204 | 31 August 1240 | 1657 by Pope Alexander VII | |
| Raymond of Penyafort | c. 1175 | 6 January 1275 | 29 April 1601 by Pope Clement VIII | Spanish Dominican friar |
| Raynerius of Split | c. 1100 | 1180 | | |
| Regina | 200s | c. 286 | found in Roman Martyrology | Martyr |
| Relindis of Maaseik | unknown | 750 | | |
| Remigius | c. 437 | 13 January 533 | found in Roman Martyrology | |
| René Goupil | 15 May 1608 | 29 September 1642 | 29 June 1930 by Pope Pius XI | One of the Canadian Martyrs |
| Respicius | unknown | c. 250 | found in Roman Martyrology | |
| Richard Gwyn | c. 1537 | 15 October 1584 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Richard of Chichester | c. 1197 | 3 April 1253 | 25 January 1262 by Pope Urban IV | |
| Richard Pampuri | 2 August 1897 | 1 March 1930 | 1 November 1989 by Pope John Paul II | |
| Richard Reynolds | c. 1492 | 4 May 1535 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Richard the Pilgrim | 600s | 722 | | |
| Rigobert | 600s | c. 743 | found in Roman Martyrology | |
| Rita of Cascia | c. 1381 | 22 May 1457 | 24 May 1900 by Pope Leo XIII | |
| Robert Bellarmine | 4 October 1542 | 17 September 1621 | 29 June 1930 by Pope Pius XI | Doctor of the church |
| Robert Lawrence | c. 1485 | 4 May 1535 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Robert of Molesme | 1028 | 17 April 1111 | 1222 by Pope Honorius III | |
| Robert Southwell | c. 1561 | 21 February 1595 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Roch | c. 1348 | 15 or 16 August 1376 or 1379 | added to the Roman Martyrology by Pope Gregory XIV (1590–1591) | |
| Roderick | 700s | 13 March 837 | | |
| Rodrigo Aguilar Alemán | 13 March 1875 | 28 October 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Rögnvald Kali Kolsson | c. 1103 | 20 August 1158 | 1192 by Pope Celestine III | Layperson of the Diocese of Caithness |
| Román Adame Rosales | 27 February 1859 | 21 April 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Romanus of Caesarea | 200s | c. 303 | found in Roman Martyrology | |
| Romanus Ostiarius | unknown | c. 258 | found in Roman Martyrology | |
| Romaric | unknown | 653 | 3 December 1049 by Pope Leo IX | |
| Romuald | c. 951 | 19 June 1027 | 1582 by Pope Gregory XIII | |
| Romulus | 0s | 117 | found in Roman Martyrology | Martyr |
| Roque González y de Santa Cruz | 17 November 1576 | 15 November 1628 | 16 May 1988 by Pope John Paul II | |
| Rosa Francisca Dolors Molas Vallvé | 7 November 1854 | 9 February 1910 | 11 December 1988 by Pope John Paul II | |
| Rose of Lima | 20 April 1586 | 24 August 1617 | 12 April 1671 by Pope Clement X | |
| Rose of Viterbo | c. 1233 | 6 March 1251 | 1457 by Pope Callistus III | |
| Rose Philippine Duchesne | 29 August 1769 | 18 November 1852 | 3 July 1988 by Pope John Paul II | Professed religious of the Society of the Religious of the Sacred Heart of Jesus |
| Rose Venerini | 9 February 1655 | 7 May 1728 | 15 October 2006 by Pope Benedict XVI | Founder of the Religious Teachers Venerini (Venerini Sisters) |
| Rudesind | 26 November 907 | 1 March 977 | 1195 by Pope Celestine III | |
| Rufina | 200s | 257 | found in Roman Martyrology | |
| Rufus of Metz | 300s | 400 | found in Roman Martyrology | |
| Rupert of Bingen | 712 | 732 | | |
| Rupert of Salzburg | c. 660 | 27 March 710 | found in Roman Martyrology | |
| Sabás Reyes Salazar [es] | 5 December 1883 | 13 April 1927 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Sabbas the Goth | 334 | 372 | found in Roman Martyrology | |
| Sabbas the Sanctified | 439 | 5 December 532 | found in Roman Martyrology | |
| Sabina | unknown | c. 126 AD | found in Roman Martyrology | |
| Sagar of Laodicea | unknown | 175 | found in Roman Martyrology | |
| Salomone Leclercq | 15 November 1745 | 2 September 1792 | 16 October 2016 by Pope Francis | |
| Salonius | 400 | 400s | | |
| Salvador Lara Puente | 13 August 1905 | 15 August 1926 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Salvador of Horta | December 1520 | 18 March 1567 | 17 April 1938 by Pope Pius XI | |
| Sancha of Portugal | 2 February 1264 | c. 1302 | 10 May 1705 by Pope Clement XI | |
| Saturnin | 200s | c. 257 | found in Roman Martyrology | |
| Saturninus of Cagliari | 200s | c. 304 | found in Roman Martyrology | |
| Satyrus of Milan | c. 331 | 378 | found in Roman Martyrology | |
| Savina of Milan | 200s | 311 | found in Roman Martyrology | |
| Savinian | 300s | 390 | found in Roman Martyrology | |
| Scholastica | c. 480 | 10 February 543 | found in Roman Martyrology | |
| Sebaldus | 700s | c. 770 | 26 March 1425 by Pope Martin V | |
| Sebastian | c. 256 | c. 288 | found in Roman Martyrology | |
| Secunda | 200s | 257 | found in Roman Martyrology | |
| Secundus of Asti | 0s | c. 119 | found in Roman Martyrology | |
| Senán mac Geirrcinn | 488 | 500s | | |
| Senator of Milan | unknown | 29 May 475 | found in Roman Martyrology | |
| Sennen | 100s | c. 250 | found in Roman Martyrology | |
| Septimius of Iesi | 200s | 307 | | |
| Seraphin of Montegranaro | 1540 | 12 October 1604 | 16 July 1767 by Pope Clement XIII | |
| Serapia | 0s | c. 119 | found in Roman Martyrology | |
| Serapion of Algiers | 1179 | 14 November 1240 | 14 April 1728 by Pope Benedict XIII | |
| Serapion of Macedonia | 100s | 195 | found in Roman Martyrology | |
| Serenus the Gardener | 200s | 23 February 307 | found in Roman Martyrology | |
| Sergius | unknown | 300s | found in Roman Martyrology | |
| Servandus | 200s | c. 305 | found in Roman Martyrology | |
| Servatius of Tongeren | 300s | 13 May 384 | found in Roman Martyrology | |
| Seraphim of Sarov | 30 July 1754 | 15 January 1833 | 19 July 1903 | |
| Severian of Scythopolis | unknown | 21 February 453 | found in Roman Martyrology | Bishop of Scythopolis, implemented the Chalcedonian faith among Palestine. He was murdered during the unrest caused by the Definition of the Faith, which stated that the divinity and humanity of Christ were two distinct but inseparable natures, contradicting the archimandrite Eutyches. |
| Severinus of Noricum | c. 410 | 8 January 482 | | |
| Severus of Barcelona | 200s | c. 304 | found in Roman Martyrology | |
| Shemon Bar Sabbae | 200s | 345 | found in Roman Martyrology | |
| Sicarius | | | | |
| Sidonius Apollinaris | c. 430 | 481/490 | | |
| Sigfrid of Sweden | 1000s | 1100s | c. 1158 by Pope Hadrian IV | |
| Sigismund of Burgundy | 400s | 524 | found in Roman Martyrology | |
| Silas | 0s | 65–100 | found in Roman Martyrology | |
| Silvia | c. 515 | c. 592 | found in Roman Martyrology | Mother of Pope Gregory I |
| Silvin of Auchy | c. 650 | 15 February 717 or 718 | found in Roman Martyrology | |
| Simeon | 1st century BC | unknown | found in Roman Martyrology | |
| Simeon of Jerusalem | unknown | c. 107 or 117 | found in Roman Martyrology | |
| Simeon of Mantua | 900s | 1016 | 1049 by Pope Leo IX | |
| Simeon Stylites | c. 390 | 2 September 459 | found in Roman Martyrology | |
| Simón de Rojas | 28 October 1552 | 29 September 1624 | 3 July 1988 by Pope John Paul II | |
| Simon Stock | c. 1165 | 16 May 1265 | | |
| Simon the Zealot | unknown | c. 65 or 107 | found in Roman Martyrology | |
| Simpert | 700s | 13 October 807 | | |
| Simplicius | 200s | 302 or 303 | found in Roman Martyrology | |
| Smaragdus | 200s | c. 303 | found in Roman Martyrology | |
| Sossius | 275 | 19 September 305 | found in Roman Martyrology | |
| Spyridon | c. 270 | 348 | found in Roman Martyrology | |
| Stachys the Apostle | unknown | c. 54 AD | found in Roman Martyrology | |
| Stanislaus Kostka | 28 October 1550 | 15 August 1568 | 31 December 1726 by Pope Benedict XIII | |
| Stanislaus of Szczepanów | 26 July 1030 | 11 April 1079 | 17 September 1253 by Pope Innocent IV | |
| Stanislaus Papczyński | 18 May 1631 | 17 September 1701 | 5 June 2016 by Pope Francis | Professed priest and founder of the Marians of the Immaculate Conception |
| Stanisław Kazimierczyk | 27 September 1433 | 3 May 1489 | 17 October 2010 by Pope Benedict XVI | |
| Stephen | 5 AD | 34 AD | found in Roman Martyrology | |
| Stephen of Cuneo [it] | 1045 | 14 November 1391 | 21 June 1970 by Pope Paul VI | Companion of Nicholas Tavelic |
| Stephen Harding | ca. 1050 | 28 March 1134 | | |
| Stephen I of Hungary | c. 975 | 15 August 1038 | 20 August 1083 by Pope Gregory VII | Married layperson of the Archdiocese of Esztergom, king of Hungary |
| Stephen of Muret | c. 1340 | 8 February 1124 | 1189 by Pope Clement III | |
| Stephen of Obazine | 1085 | 8 March 1154 | 1701 by Pope Clement XI | |
| Stephen of Perm | 1340 | 26 April 1396 | found in Roman Martyrology | Russian Orthodox saint |
| Stephen Pongracz | c. 1583 | 7 September 1619 | 2 July 1995 by Pope John Paul II | |
| Stephen the Younger | 713 or 715 | 28 November 764 or 765 | found in Roman Martyrology | |
| Sturm | 705 | 17 December 779 | 1139 by Pope Innocent II | |
| Swithun Wells | c. 1536 | 10 December 1591 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Syagrius of Nice | unknown | 787 or 788 | | |
| Sylvester Gozzolini | 1177 | 26 November 1267 | 1598 by Pope Clement VIII | |
| Symeon of Trier | 980s | 1035 | 5 January 1047 by Pope Clement II | |
| Symeon the New Theologian | 949 | 12 March 1022 | | Theologian |
| Symphorosa | unknown | c. 138 | found in Roman Martyrology | |
| Szymon of Lipnica | c. 1437 | 18 July 1482 | 3 June 2007 by Pope Benedict XVI | |
| Talarican | 700s | 800s | 11 July 1898 (cultus confirmed) by Pope Leo XIII | |
| Tarcisius | unknown | 200s | found in Roman Martyrology | |
| Tatwine | c. 670 | 30 July 734 | | |
| Taurinus | 300s | c. 410 | found in Roman Martyrology | |
| Teilo | c. 500 | c. 560 | | |
| Telemachus | 300s | 1 January 404 or 391 | found in Roman Martyrology | |
| Terentian | 0s | 118 | found in Roman Martyrology | Bishop of Todi |
| Teresa Jornet Ibars | 9 January 1843 | 26 August 1897 | 27 January 1974 by Pope Paul VI | |
| Teresa Margaret of the Sacred Heart | 15 July 1747 | 7 March 1770 | 19 March 1934 by Pope Pius XI | Professed religious of the Discalced Carmelite Nuns |
| Teresa of Ávila | 28 March 1515 | 4 October 1582 | 12 March 1622 by Pope Gregory XV | |
| Teresa of Calcutta | 26 August 1910 | 5 September 1997 | 4 September 2016 by Pope Francis | |
| Teresa of the Andes | 13 July 1900 | 12 April 1920 | 21 March 1993 by Pope John Paul II | |
| Thamel | unknown | 125 | found in Roman Martyrology | |
| Thecla | 30 AD | 0s | found in Roman Martyrology | |
| Thecla of Kitzingen | 700s | c. 790 AD | found in Roman Martyrology | |
| Theobald of Marly | 1100s | 8 December 1247 | | |
| Theobald of Provins | 1033 | 30 June 1066 | 1073 by Pope Alexander II | |
| Theodora | unknown | 120 | found in Roman Martyrology | |
| Theodora of Alexandria | 200s | 304 | found in Roman Martyrology | |
| Theodore | unknown | 130 | found in Roman Martyrology | |
| Théodore Guérin | 2 October 1798 | 14 May 1856 | 15 October 2006 by Pope Benedict XVI | |
| Theodore of Amasea | 200s | 17 February 306 | found in Roman Martyrology | |
| Theodore of der Eem | 1499–1502 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| Theodore of Pavia | unknown | 778 | found in Roman Martyrology | |
| Theodore Stratelates | 281 | 319 | found in Roman Martyrology | |
| Theodore the Studite | 759 | 826 | found in Roman Martyrology | |
| Theodoret of Antioch | unknown | 22 October 362 | found in Roman Martyrology | |
| Theodosia of Constantinople | 600s | 700s | | |
| Theodosia of Tyre | 290 | 2 April 307 | found in Roman Martyrology | |
| Theodosius of Kiev | 1029 | 3 May 1074 | found in Roman Martyrology | |
| Theodotus of Ancyra | 200s | c. 303 | found in Roman Martyrology | |
| Theoktiste of Lesbos | 800s | 800s | found in Roman Martyrology | |
| Theonas | 200s | c. 303 | found in Roman Martyrology | |
| Theopemptus of Nicomedia | 200s | c. 303 | found in Roman Martyrology | |
| Theophanes the Confessor | 758–760 | 12 March 817 | found in Roman Martyrology | |
| Theophilus of Antioch | 100s | 183–185 | found in Roman Martyrology | |
| Theopista | 0s | 118 | found in Roman Martyrology | |
| Theophilus of Corte | 30 October 1676 | 17 June 1740 | 29 June 1930 by Pope Pius XI | |
| Theotonius of Coimbra | c.1082 | 18 February 1162 | 1758 (cultus confirmed) by Pope Benedict XIV | |
| Theresa of Portugal | 4 October 1178 | 18 June 1250 | 13 December 1705 by Pope Clement XI | |
| Thérèse Couderc | 1 February 1805 | 26 September 1885 | 10 May 1970 by Pope Paul VI | |
| Thérèse of Lisieux | 2 January 1873 | 30 September 1897 | 17 May 1925 by Pope Pius XI | |
| Thomas Aquinas | 1225 | 7 March 1274 | 18 July 1323 by Pope John XXII | |
| Thomas Becket | 21 December c. 1119 | 29 December 1170 | 21 February 1173 by Pope Alexander III | Archbishop of Canterbury |
| Thomas de Cantilupe | c. 1218 | 25 August 1282 | 17 April 1320 by Pope John XXII | |
| Thomas Garnet | c. 1575 | 23 June 1608 | 25 October 1970 by Pope Paul VI | One of the Forty Martyrs of England and Wales |
| Thomas Kozaki | 1582 | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Thomas More | 7 February 1478 | 6 July 1535 | 19 May 1935 by Pope Pius XI | |
| Thomas of Villanova | 1488 | 8 September 1555 | 1 November 1658 by Pope Alexander VII | |
| Thomas Rokuzayemon [pl] | 1590 | 17 November 1634 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Thomas the Apostle | 0s | 3 July 72 AD | found in Roman Martyrology | |
| Thomas Xico | 1500s | 5 February 1597 | 8 June 1862 by Pope Pius IX | One of the 26 Martyrs of Japan |
| Thraseas | unknown | 170 | found in Roman Martyrology | Bishop of Eumania |
| Tiburtius of Rome | unknown | c. 260 | found in Roman Martyrology | |
| Timothy | c. 17 AD | c. 97 AD | found in Roman Martyrology | |
| Titus | 0s | 96 or 107 AD | found in Roman Martyrology | |
| Titus Brandsma | 23 February 1881 | 26 July 1942 | 15 May 2022 by Pope Francis | |
| Tola of Clonard | 600s | 700s | | |
| Tommaso da Cori | 4 June 1655 | 11 January 1729 | 21 November 1999 by Pope John Paul II | Professed priest of the Franciscan Friars Minor |
| Toribio Romo González | 16 April 1900 | 25 February 1928 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Torpes of Pisa | unknown | c. 65 AD | found in Roman Martyrology | |
| Tranquilino Ubiarco Robles | 8 July 1899 | 5 October 1928 | 21 May 2000 by Pope John Paul II | One of the Saints of the Cristero War |
| Tryphon | unknown | c. 250 | found in Roman Martyrology | |
| Turibius of Mogrovejo | 16 November 1538 | 23 March 1606 | 10 December 1726 by Pope Benedict XIII | Archbishop of Lima |
| Ubald | c. 1084 | 1160 | 4 March 1192 by Pope Celestine III | Bishop of Gubbio |
| Ubaldesca Taccini | 1136 | 1205 | | |
| Ulrich of Augsburg | 893 | 4 July 973 | 4 July 993 by Pope John XV | The first saint to be canonized not by a local authority but by the Pope. |
| Urban of Langres | 327 | c. 390 | found in Roman Martyrology | |
| Ursicinus of Ravenna | unknown | c. 67 AD | found in Roman Martyrology | |
| Ursmar | 600s | 713 | found in Roman Martyrology | |
| Ursula | 300s | 21 October 383 | found in Roman Martyrology | |
| Ursula Ledóchowska | 17 April 1865 | 29 May 1939 | 18 May 2003 by Pope John Paul II | |
| Ursus of Auxerre | 400s | 508 | found in Roman Martyrology | |
| Valentine | 226 | 14 February 269 | found in Roman Martyrology | |
| Valerian of Rome | unknown | c. 260 | found in Roman Martyrology | |
| Venantius of Camerino | 200s | c. 250 | found in Roman Martyrology | |
| Verdiana | 1182 | 10 February 1242 | found in Roman Martyrology | |
| Vergilius of Salzburg | 700 | 27 November 784 | 1233 by Pope Gregory IX | |
| Veronica | 0s | 0s | | |
| Veronica Giuliani | 27 December 1660 | 9 July 1727 | 26 May 1839 by Pope Gregory XVI | |
| Viator of Bergamo | unknown | 370 | | |
| Vicenta María López i Vicuña | 24 March 1847 | 26 December 1890 | 25 May 1975 by Pope Paul VI | |
| Victoria | 200s | 250 | found in Roman Martyrology | |
| Victoria of Albitina | 200s | 304 | | |
| Victoriano Pío [es] | 7 July 1905 | 9 October 1934 | 21 November 1999 by Pope John Paul II | One of the Martyrs of Turon |
| Victorinus of Pettau | 200s | 303–304 | found in Roman Martyrology | |
| Viktor of Xanten | unknown | 300s | found in Roman Martyrology | |
| Villanus | 1100s | 1237 | | |
| Vincent de Paul | 24 April 1581 | 27 September 1660 | 16 June 1737 by Pope Clement XII | |
| Vincent Ferrer | 23 January 1350 | 5 April 1419 | 3 June 1455 by Pope Callixtus III | |
| Vincent of Lérins | 300s | c. 445 | found in Roman Martyrology | |
| Vincent of Saragossa | 200s | c. 304 | found in Roman Martyrology | |
| Vincent Pallotti | 21 April 1795 | 22 January 1850 | 20 January 1963 by Pope John XXIII | |
| Vincent Romano | 3 June 1751 | 20 December 1831 | 14 October 2018 by Pope Francis | |
| Vincent Shiwozuka [pl] | c.1576 | 29 September 1637 | 18 October 1987 by Pope John Paul II | One of the 16 Martyrs of Japan |
| Vincent Strambi | 1 January 1745 | 1 January 1824 | 11 June 1950 by Pope Pius XII | Professed priest of the Passionists; Bishop of Macerata |
| Vincenza Gerosa | 29 October 1784 | 29 June 1847 | 18 May 1950 by Pope Pius XII | Cofounder of the Sisters of Charity of Saint Bartolomea Capitanio and Vincenza Gerosa (Sisters of Holy Child Mary) |
| Vincenzo Grossi | 9 March 1845 | 7 November 1917 | 18 October 2015 by Pope Francis | Priest of the Vicariate of Rome; founder of the Society of the Catholic Apostolate (Pallottines), the Pallottine Missionary Sisters and the Pallottine Sisters of the Catholic Apostolate |
| Virginia Centurione Bracelli | 2 April 1587 | 15 December 1651 | 18 May 2003 by Pope John Paul II | |
| Vitalis | 200s | c. 304 | found in Roman Martyrology | |
| Vitus | c. 290 | c. 303 | found in Roman Martyrology | |
| Vladimir the Great | c. 958 | 15 July 1015 | | Grand Prince of Kiev |
| Walpurga | c. 710 | 25 February 777 or 779 | | |
| Walter of Pontoise | c. 1030 | c. 1099 | | |
| Wenceslaus | c. 911 | 28 September 935 | found in Roman Martyrology | |
| Wendelin of Trier | c. 554 | c. 617 | | |
| Wiborada | 800s | 926 | 5 January 1047 by Pope Clement II | |
| Wihtberht | 7 May 675 | 13 August 747 | | |
| Wihtburh | unknown | 17 March 743 | | |
| Wilfrid | c. 633 | 709 or 710 | | |
| Wilfrid II | unknown | 29 April 745 or 746 | | |
| Wilgils | c. 630 | 600s | | |
| Willehad | c. 735 | 8 November 789 | | |
| Willehad of Denmark | 1482 | 9 July 1572 | 29 June 1867 by Pope Pius IX | One of the Martyrs of Gorkum |
| William of Breteuil | 1000s | 1130 | | |
| William of Donjeon | c. 1140 | 10 January 1209 | 17 May 1218 by Pope Honorius III | |
| William of Gellone | 755 | 28 May 812 or 814 | 1066 by Pope Alexander II | |
| William of Maleval | unknown | 10 February 1157 | 8 May 1202 by Pope Innocent III | |
| William of Perth | 1100s | c. 1201 | 1256 by Pope Alexander IV | |
| William of Roskilde | unknown | 1073 or 1074 | 21 January 1224 by Pope Honorius III | |
| William of York | 1000s | 8 June 1154 | 1227 by Pope Honorius III | |
| William Pinchon | c. 1175 | 29 July 1234 | 24 March 1247 by Pope Innocent IV | |
| Willibald | c. 700 | c. 787 | | |
| Willibrord | c. 658 | 7 November 739 | | |
| Wolfgang of Regensburg | 934 | 31 October 994 | 8 October 1051 by Pope Leo IX | |
| Wolfhelm of Brauweiler | 1000s | 1091 | | Professed priest of the Benedictines |
| Wulfram of Sens | c. 640 | 20 March 703 | | |
| Wulfstan | 1008 | January 1095 | 14 May 1203 by Pope Innocent III | |
| Zacchaeus of Jerusalem | 0s | 116 | found in Roman Martyrology | |
| Zacharias of Vienne | 0s | 106 | found in Roman Martyrology | |
| Zanitas of Bardiaboch | 200s | 27 March 326 | | |
| Zdislava Berka | c. 1220 | 1252 | 21 May 1995 by Pope John Paul II | |
| Zeno of Verona | 300 | 12 April 371 | found in Roman Martyrology | |
| Zita | c. 1212 | 27 April 1272 | 5 September 1696 by Pope Innocent XII | |
| Zoe | unknown | 127 | found in Roman Martyrology | |
| Zoilus | 200s | 304 | found in Roman Martyrology | |
| Zosimus | 93 AD | 110 | found in Roman Martyrology | |
| Zygmunt Gorazdowski | 1 November 1845 | 1 January 1920 | 23 October 2005 by Pope Benedict XVI | |
| Zygmunt Szczęsny Feliński | 1 November 1822 | 17 September 1895 | 11 October 2009 by Pope Benedict XVI | |

## Archangels

* Michael
* Raphael
* Gabriel

## Martyrs

* The Holy Innocents (1 AD)
* First Martyrs of the Church of Rome (64 AD)
* Scillitan Martyrs (180)
* Massa Candida (253–260)
* Martyrs of Abitinae (304)
* Thirty Martyrs of the Appian Way (c. 304) — found in Roman Martyrology
* 20,000 Martyrs of Nicomedia (304–305)
* Forty Martyrs of Sebaste (320)
* Martyrs of Persia under Shapur II (4th century)
* Martyrs of Córdoba (850–859)
* Martyrs of Otranto (1480)
* 26 Martyrs of Japan (1597)
* Canadian Martyrs (mid-17th century)
* 16 Martyrs of Japan (17th century)
* Martyrs of Compiègne (1794)
* Uganda Martyrs (1880s)
* Saints of the Cristero War (late 1920s)
* Martyrs of Turon (1934)
* 21 Coptic Martyrs of Libya (2015)

### Martyrs of Natal

The Martyrs of Natal were a group of 30 Brazilian Catholics killed in northern Brazil by a group of Dutch Calvinists in 1645. They were canonized on 15 October 2017 by Pope Francis. Those that were killed on 16 July 1645 were:
* André de Soveral (b. 1572)
* Domingos Carvalho
Those that were killed on 3 October 1645 were:
* Ambrósio Francisco Ferro
* Antônio Baracho
* Antônio Vilela
* Antônio Vilela Cid
* Diogo Pereira
* Estêvão Machado de Miranda
* Francisco de Bastos
* Francisco Mendes Pereira
* João da Silveira
* João Lostau Navarro
* João Martins
* José do Porto
* Manuel Rodrigues de Moura
* Mateus Moreira
* Simão Correia
* Vicente de Souza Pereira
The remaining unnamed twelve killed on 3 October 1645 were 7 lay companions of João Martins, the wife of Manuel Rodrigues de Moura, the daughter of Antônio Vilela, 2 daughters of Estêvão Machado de Miranda, and the daughter of Francisco Dias.

### Martyr Saints of China

The Martyr Saints of China were a group of 87 Chinese Catholics and 33 Western missionaries martyred from 1648 to 1930 because of their faith. They were canonized on 1 October 2000 by Pope John Paul II. They are:
* Francis Ferdinand de Capillas (15 August 1607 – 15 January 1648)
* Peter Sanz (22 September 1680 – 26 May 1747)
* Francis Diaz (2 October 1713 – 28 October 1748)
* Francis Serrano (4 December 1695 – 28 October 1748)
* Joachim Royo (September 1691 – 28 October 1748)
* John Alcober (31 December 1694 – 25 October 1748)
* Peter Wu Gousheng [pl] (1768 – 7 November 1814)
* Zhang Dapeng (1754 – 12 March 1815)
* Louis Gabriel Taurin Dufresse (8 December 1750 – 14 September 1815)
* Augustine Zhao Rong (c. 1746 – 27 January 1815)
* John of Triora (15 March 1760 – 7 February 1816)
* Joseph Yuan (c. 1766 – 24 June 1817)
* Paul Liu Hanzuo (c. 1778 – 13 February 1818)
* Francis Regis Clet (19 August 1748 – 18 February 1820)
* Thaddeus Liu (c. 1773 – 30 November 1823)
* Peter Liu [zh] (1760 – 17 May 1834)
* Joachim Ho [zh] (c. 1782 – 9 July 1839)
* Auguste Chapdelaine (6 January 1814 – 29 February 1856)
* Lawrence Bai Xiaoman (c. 1821 – 25 February 1856)
* Agnes Tsao Kou Ying (1821 – 1 March 1856)
* Jerome Lu Tingmei [pl] (c. 1811 – 28 January 1858)
* Laurence Wang Bing [pl] (c. 1802 – 28 January 1858)
* Agatha Lin (c. 1817 – 28 January 1858)
* Joseph Zhang Wenlan [pl] (c. 1831 – 29 July 1861)
* Paul Chen Changpin [pl] (c. 1838 – 29 July 1861)
* John Baptist Luo Tingyin [pl] (c. 1825 – 29 July 1861)
* Martha Wang Luo Mande [pl] (c. 1812 – 29 July 1861)
* Jean-Pierre Néel [fr] (18 October 1832 – 18 February 1862)
* Martin Wu Xuesheng [pl] (c. 1817 – 18 February 1862)
* John Zhang Tianshen [pl] (c. 1805 – 18 February 1862)
* John Chen Xianheng [pl] (c. 1820 – 18 February 1862)
* Lucy Yi Zhenmei (9 December 1815 – 19 February 1862)
* Cesidio Giacomantonio [fr] (30 August 1873 – 4 July 1900)
* Anthony Fantosati [fr] (16 October 1842 – 7 July 1900)
* Joseph Mary Gambaro [pl] (7 August 1869 – 7 July 1900)
* Gregorio Grassi (13 December 1833 – 9 July 1900)
* Francesco Fogolla (4 October 1839 – 9 July 1900)
* Elia Facchini [fr] (2 July 1839 – 9 July 1900)
* Theodoric Balat [pl] ( – 9 July 1900)
* André Bauer [fr] (26 November 1866 – 9 July 1900)
* Mary Hermina Grivot (28 April 1866 – 9 July 1900)
* Marianna Giuliani (12 December 1875 – 9 July 1900)
* Clelia Nanetti (9 January 1872 – 9 July 1900)
* Marie of Saint Natalie (4 May 1864 – 9 July 1900)
* Marie of Saint Just (9 April 1866 – 9 July 1900)
* Marie Adolphine Dierks (8 March 1866 – 9 July 1900)
* Amandina of Schakkebroek (28 December 1872 – 9 July 1900)
* John Zhang Huan [pl] (18 August 1882 – 9 July 1900)
* Patrick Dong Bodi [pl] (c. 1882 – 9 July 1900)
* John Wang Rui [pl] (25 February 1885 – 9 July 1900)
* Philip Zhang Zhihe [pl] (c. 1880 – 9 July 1900)
* John Zhang Jingguang [pl] (c. 1878 – 9 July 1900)
* Thomas Shen Jihe [pl] (c. 1851 – 9 July 1900)
* Simon Qin Chunfu [pl] (c. 1886 – 19 July 1900)
* Peter Wu Anbang [pl] (c. 1860 – 9 July 1900)
* Francis Zhang Rong [pl] (c. 1838 – 9 July 1900)
* Matthew Feng De [pl] (c. 1855 – 9 July 1900)
* Peter Zhang Banniu [pl] (c. 1850 – 9 July 1900)
* James Yan Guodong [pl] (c. 1854 – 9 July 1900)
* James Zhao Quanxin [pl] (c. 1857 – 9 July 1900)
* Peter Wang Erman [pl] (c. 1871 – 9 July 1900)
* Lèon-Ignance Mangin [fr], S.J. (30 July 1857 – 20 July 1900)
* Paul Denn [fr], S.J. (1 April 1847 – 20 July 1900)
* Rémy Isoré, S.J. (22 January 1852 – 19 June 1900)
* Modeste Andlauer [fr], S.J. (22 May 1847 – 19 June 1900)
* Mary Zhu Wushi [pl] (c. 1850 – 20 July 1900)
* Petrus Zhu Rixin [pl] (c. 1881 – 20 July 1900)
* Ioannes Baptista Zhu Wurui [pl] (c. 1883 – 19 July 1900)
* Mary Fu Guilin [pl] (c. 1863 – 20 July 1900)
* Barbara Cui Lianshi [pl] (c. 1849 – 15 June 1900)
* Joseph Ma Taishun [pl] (c. 1840 – 26 June 1900)
* Lucia Wang Cheng [pl] (c. 1882 – 28 June 1900)
* Maria Fan Kun [pl] (c. 1884 – 28 June 1900)
* Mary Qi Yu [pl] (c. 1885 – 28 June 1900)
* Maria Zheng Xu [pl] (c. 1889 – 28 June 1900)
* Mary Du Zhaozhi [pl] (c. 1849 – 28 June 1900)
* Magdalene Du Fengju [pl] (c. 1858 – 29 June 1900)
* Mary Du Tianshi [pl] (c. 1881 – 29 June 1900)
* Paul Wu Anju [pl] (c. 1838 – 29 June 1900)
* Ioannes Baptista Wu Mantang [pl] (c. 1883 – 29 June 1900)
* Paulus Wu Wanshu [pl] (c. 1884 – 29 June 1900)
* Raymond Li Quanzhen [pl] (c. 1841 – 30 June 1900)
* Peter Li Quanhui [pl] (c. 1837 – 30 June 1900)
* Peter Zhao Mingzhen [pl] (c. 1839 – 3 July 1900)
* John Baptist Zhao Mingxi [pl] (c. 1844 – 3 July 1900)
* Teresa Chen Jinjie [pl] (c. 1875 – 5 July 1900)
* Rose Chen Aijie [pl] (c. 1878 – 5 July 1900)
* Peter Wang Zuolong [pl] (c. 1842 – 6 July 1900)
* Mary Guo Li [pl] (c. 1835 – 7 July 1900)
* Joan Wu Wenyin [pl] (c. 1850 – 8 July 1900)
* Zhang Huailu [pl] (c. 1843 – 9 July 1900)
* Mark Ji Tianxiang (c. 1834 – 7 July 1900)
* Ann An Xingshi [pl] (c. 1828 – 11 July 1900)
* Mary An Guoshi [pl] (c. 1836 – 11 July 1900)
* Ann An Jiaoshi [pl] (c. 1874 – 11 July 1900)
* Mary An Linghua [pl] (c. 1871 – 11 July 1900)
* Paul Liu Jinde [pl] (c. 1821 – 13 July 1900)
* Joseph Wang Kuiju [pl] (c. 1863 – 13 July 1900)
* John Wang Kuixin [pl] (c. 1875 – 14 July 1900)
* Teresa Zhang Heshi [pl] (c. 1864 – 16 July 1900)
* Yangzhi Lang [pl] (c. 1871 – 16 July 1900)
* Paulus Lang Fu [pl] (c. 1893 – 16 July 1900)
* Elizabeth Qin Bianshi [pl] (c. 1846 – 19 July 1900)
* Simon Qin Chunfu [pl] (c. 1886 – 19 July 1900)
* Peter Liu Ziyu [pl] (c. 1843 – 17 July 1900)
* Anna Wang (c. 1886 – 22 July 1900)
* Joseph Wang Yumei [pl] (c. 1832 – 21 July 1900)
* Lucy Wang Wangzhi [pl] (c. 1869 – 22 July 1900)
* Andreas Wang Tianqing [pl] (c. 1891 – 22 July 1900)
* Mary Wang Lishi [pl] (c. 1851 – 22 July 1900)
* Chi Zhuzi [pl] (c. 1882 – June or July 1900)
* Mary Zhao Guoshi [pl] (c. 1840 – late July 1900)
* Rose Zhao [pl] (c. 1878 – late July 1900)
* Maria Zhao [pl] (c. 1883 – late July 1900)
* Joseph Yuan Gengyin [pl] (c. 1853 – late July 1900)
* Paul Ge Tingzhu [pl] (c. 1839 – 8 August 1900)
* Rose Fan Hui [pl] (c. 1855 – 16 August 1900)
* Alberic Crescitelli (30 June 1863 – 21 July 1900)
* Luigi Versiglia (5 June 1873 – 25 February 1930)
* Callistus Caravario (18 June 1903 – 25 February 1930)

### Vietnamese Martyrs

The Vietnamese Martyrs were a group of 117 martyrs that were killed from 1745 to 1862 in Vietnam for their Catholic faith. They were canonized on 19 June 1988 by Pope John Paul II. They are:
* Francis Gil de Frederich [ca] (14 December 1702 – 22 January 1745)
* Mateo Alonso de Leciniana [es], OP (26 November 1702 – 22 January 1745)
* Jacinto Casteñeda [es], OP (13 November 1743 – 7 November 1773)
* Vicente Liem de la Paz (1732 – 7 November 1773)
* Emmanuel Nguyễn Văn Triệu [pl] (c. 1756 – 17 September 1798)
* John Đạt [pl] (c. 1765 – 28 October 1798)
* Peter Lê Tuỳ [pl] (c. 1773 – 11 October 1833)
* François-Isidore Gagelin (10 May 1799 – 17 October 1833)
* Paul Tong Viet Buong (c. 1773 – 23 October 1833)
* Andrew Trần Văn Trông [pl] (c. 1808 – 28 November 1835)
* Joseph Marchand, MEP (17 August 1803 – 30 November 1835)
* Jean-Charles Cornay (27 February 1809 – 20 September 1837)
* Francis Nguyễn Cần [pl] (c. 1803 – 20 November 1837)
* Domingo Henares de Zafra Cubero [it], OP (19 December 1765 – 25 June 1838)
* Francis Đỗ Văn Chiểu [pl] (c. 1797 – 25 June 1838)
* Vincent Đỗ Yến [pl] (c. 1764 – 30 June 1838)
* Joseph Nguyễn Đình Uyển [pl] (c. 1775 – 4 July 1838)
* Clemente Ignacio Delgado Cebrian [es], OP (22 November 1762 – 12 July 1838)
* Peter Nguyễn Bá Tuần [pl] (1766 – 15 July 1838)
* José Fernández [pl], OP (3 September 1775 – 24 July 1838)
* Bernard Vũ Văn Duệ (1755 – 1 August 1838)
* Dominic Nguyễn Văn Hạnh [pl] (1772 – 1 August 1838)
* James Năm [pl] (c. 1781 – 12 August 1838)
* Michael Nguyễn Huy Mỹ [pl] (c. 1804 – 12 August 1838)
* Peter Nguyen Dich [pl] (c. 1769 – 12 August 1838)
* Joseph Đặng Đình Viên [pl] (c. 1787 – 21 August 1838)
* Joseph Hoàng Lương Cảnh [pl] (c. 1763 – 5 September 1838)
* Peter Nguyễn Văn Tự [pl] (c. 1796 – 5 September 1838)
* Francis Jaccard [pl], MEP (6 September 1799 – 21 September 1838)
* Thomas Trần Văn Thiện [pl] (c. 1820 – 21 September 1838)
* Peter Vũ Đăng Khoa [pl] (c. 1790 – 24 November 1838)
* Pierre Dumoulin-Borie, MEP (20 February 1808 – 24 November 1838)
* Vincent Nguyễn Thế Điểm [pl] (c. 1761 – 24 November 1838)
* Paul Nguyen Van My [pl] (c. 1798 – 18 December 1838)
* Peter Trương Văn Đường [pl] (c. 1808 – 18 December 1838)
* Peter Vũ Văn Truật [pl] (c. 1816 – 18 December 1838)
* Dominic Vũ Đình Tước [pl] (c. 1775 – 2 April 1839)
* Augustine Phan Viết Huy [pl] (c. 1795 – 12 June 1839)
* Nicholas Bùi Đức Thể [pl] (c. 1792 – 12 June 1839)
* Dominic Đinh Đạt [pl] (c. 1803 – 18 July 1839)
* Dominic Nguyễn Văn Xuyên [pl] (c. 1786 – 26 November 1839)
* Thomas Đinh Viết Dụ [pl] (c. 1783 – 26 November 1839)
* Augustine Nguyễn Văn Mới [pl] (c. 1806 – 19 December 1839)
* Dominic Bùi Van Úy [pl] (c. 1801 – 19 December 1839)
* Francis Hà Trọng Mậu [pl] (c. 1790 – 19 December 1839)
* Stephen Nguyễn Văn Vinh [pl] (c. 1813 – 19 December 1839)
* Thomas Nguyễn Văn Đệ [pl] (c. 1811 – 19 December 1839)
* Andrew Dũng-Lạc (1795 – 21 December 1839)
* Peter Trương Văn Thi [pl] (c. 1763 – 21 December 1839)
* John Đinh Văn Thanh [pl] (c. 1796 – 28 April 1840)
* Paul Phạm Khắc Khoan [pl] (c. 1771 – 28 April 1840)
* Peter Nguyễn Văn Hiếu [pl] (c. 1783 – 28 April 1840)
* Joseph Đỗ Quang Hiển [pl] (c. 1765 – 9 May 1840)
* Luke Vũ Bá Loan [pl] (c. 1756 – 5 June 1840)
* Thomas Toán [pl] (c. 1764 – 27 June 1840)
* Anthony Nguyen Huu Quynh [pl] (c. 1768 – 10 July 1840)
* Peter Nguyen Khac Tu [pl] (c. 1808 – 10 July 1840)
* Dominic Trạch Đoài [pl] (c. 1792 – 18 September 1840)
* John Baptist Cỏn [pl] (c. 1805 – 8 November 1840)
* Joseph Nguyễn Đình Nghi [pl] (c. 1793 – 8 November 1840)
* Martin Thọ [pl] (c. 1787 – 8 November 1840)
* Martin Tạ Đức Thịnh [pl] (c. 1760 – 8 November 1840)
* Paul Nguyễn Ngân [pl] (c. 1771 – 8 November 1840)
* Simon Phan Đắc Hoà [pl] (1774 – 12 December 1840)
* Agnes Lê Thị Thành [fr] (c. 1781 – 12 July 1841)
* Peter Khan [pl] (c. 1780 – 12 July 1842)
* Matthew Lê Văn Gẫm [pl] (c. 1813 – 11 May 1847)
* Augustin Schoeffler (22 November 1822 – 1 May 1851)
* Jean-Louis Bonnard, MEP (1 March 1824 – 1 May 1852)
* Philip Phan Văn Minh [pl] (c. 1815 – 3 July 1853)
* Joseph Nguyễn Văn Lựu [pl] (c. 1790 – 2 May 1854)
* Andrew Nguyễn Kim Thông [pl] (c. 1790 – 15 July 1855)
* Lawrence Nguyễn Văn Hưởng [pl] (c. 1802 – 13 February 1856)
* Paul Lê Bảo Tịnh [pl] (c. 1793 – 6 April 1857)
* Michael Hồ Đình Hy (1808 – 22 May 1857)
* Peter Ðoàn Văn Vân [pl] (c. 1780 – 25 May 1857)
* José María Díaz Sanjurjo (26 October 1818 – 20 July 1857)
* Melchor García Sampedro [es] (26 April 1821 – 28 July 1858)
* Francis Trần Văn Trung [pl] (c. 1825 – 6 October 1858)
* Dominic Mậu [pl] (c. 1794 – 5 November 1858)
* Dominic Pham Trong Kham [vi] (c. 1780 – 13 January 1859)
* Joseph Phạm Trọng Tả [pl] (c. 1800 – 13 January 1859)
* Luke Phạm Trọng Thìn [pl] (c. 1819 – 13 January 1859)
* Paul Lê Văn Lộc [pl] (c. 1830 – 13 February 1859)
* Dominic Cẩm [pl] ( – 11 March 1859)
* Paul Hạnh [pl] (c. 1826 – 28 May 1859)
* Emmanuel Lê Văn Phụng [pl] (c. 1796 – 13 July 1859)
* Peter Đoàn Công Quý [pl] (1826 – 31 July 1859)
* Thomas Khuong [pl] (c. 1789 – 30 January 1860)
* Joseph Lê Đăng Thị [pl] (c. 1825 – 25 October 1860)
* Pierre-François Néron [fr], MEP (21 September 1818 – 3 November 1860)
* Théophane Vénard, MEP (21 November 1829 – 2 February 1861)
* Peter Nguyễn Văn Lựu [pl] (c. 1812 – 7 April 1861)
* Joseph Tuân [pl] (c. 1821 – 30 April 1861)
* John Đoàn Trinh Hoan [pl] (c. 1798 – 26 May 1861)
* Matthew Nguyễn Văn Ðắc [pl] (c. 1808 – 26 May 1861)
* Jeronimo Hermosilla [es] (30 September 1800 – 1 November 1861)
* Pedro Almato [es], OP (1 November 1830 – 1 November 1861)
* Valentin de Berriochoa [es] (14 February 1827 – 1 November 1861)
* Etienne-Théodore Cuenot [fr], MEP (8 February 1802 – 14 November 1861)
* Joseph Khang Duy Nguyen [pl] (c. 1832 – 6 December 1861)
* Lawrence Ngon [pl] (c. 1840 – 22 May 1862)
* Joseph Tuc [pl] (c. 1843 – 1 June 1862)
* Dominic Ninh [pl] (c. 1835 – 2 June 1862)
* Paul Vũ Văn Dương [pl] (c. 1792 – 3 June 1862
* Dominic Huyện [pl] (c. 1817 – 5 June 1862)
* Dominic Toại [pl] (c. 1811 – 5 June 1862)
* Peter Đinh Văn Thuần [pl] (c. 1802 – 6 June 1862)
* Peter Dũng [pl] (c. 1800 – 6 June 1862)
* Vincent Dương [pl] (c. 1821 – 6 June 1862)
* Joseph Trần Văn Tuấn [pl] (c. 1824 – 7 June 1862)
* Andrew Tường [pl] (1766 – 16 June 1862)
* Dominic Nguyên [pl] (c. 1802 – 16 June 1862)
* Dominic Nguyễn Đức Mạo [pl] (c. 1818 – 16 June 1862)
* Dominic Nhi [pl] (c. 1812 – 16 June 1862)
* Vincent Tường [pl] (c. 1814 – 16 June 1862)
* Peter Đa [pl] (c. 1802 – 17 June 1862)

### Korean Martyrs

The Korean Martyrs were a group of 103 martyrs that were killed from 1839 to 1866 in Korea for their Catholic faith. They were canonized on 6 May 1984 by Pope John Paul II. They are:
* Peter Yi Hoyong [es] (1803 – 25 November 1838)
* Protasius Chong Kukbo [pl] (1799 – 20 May 1839)
* Agatha Kim Agi [fr] (1787 – 24 May 1839)
* Agatha Yi Sosa [fr] (1784 – 24 May 1839)
* Anna Pak Agi (1783 – 24 May 1839)
* Augustine Yi Kwanghon [pl] (1787 – 24 May 1839)
* Barbara Han Agi [pl] (1792 – 24 May 1839)
* Damian Nam Myonghyok [fr] (1802 – 24 May 1839)
* Lucia Pak Huisun [fr] (1801 – 24 May 1839)
* Magdalena Kim Obi [pl] (1774 – 24 May 1839)
* Peter Kwon Tugin [pl] (1805 – 24 May 1839)
* Barbara Kim [fr] (1805 – 27 May 1839)
* Barbara Yi (1825 – 27 May 1839)
* Barbara Yi Chonghui [fr] (1825 – 27 May 1839)
* Joseph Chang Songjib [pl] (1786 – 27 May 1839)
* Anna Kim Changgum [pl] (1789 – 20 July 1839)
* John Baptist Yi (1795 – 20 July 1839)
* Lucia Kim Nusia [fr] (1818 – 20 July 1839)
* Magdalena Yi Yonghui [fr] (1809 – 20 July 1839)
* Maria Won Kwiim [fr] (1818 – 20 July 1839)
* Martha Kim Songim [fr] (1787 – 20 July 1839)
* Rosa Kim Nosa [fr] (1784 – 20 July 1839)
* Teresa Yi Maeim [pl] (1788 – 20 July 1839)
* Catherine Yi [fr] (1783 – September 1839)
* Lucia Kim Kopchu [fr] (1769 – September 1839)
* Magdalena Cho [fr] (1807 – September 1839)
* Agnes Kim Hyochu [fr] (1816 – 3 September 1839)
* Barbara Kwon Hui [pl] (1794 – 3 September 1839)
* Johannes Pak Hujae [pl] (1799 – 3 September 1839)
* Maria Pak Kunagi [fr] (1786 – 3 September 1839)
* Maria Yi Yonhui [fr] (1804 – 3 September 1839)
* Francis Choe Kyonghwan [fr] (1805 – 12 September 1839)
* Jacques-Honoré Chastan [fr] (6 October 1803 – 21 September 1839)
* Laurent-Joseph-Marius Imbert (23 March 1796 – 21 September 1839)
* Pierre-Philibert Maubant [fr] (20 September 1803 – 21 September 1839)
* Augustine Yu Chinkil [pl] (1791 – 22 September 1839)
* Paul Chong Hasang (1794/1795 – 22 September 1839)
* Agatha Chon Kyonghyob [fr] (1790 – 26 September 1839)
* Charles Cho Shinchol [pl] (1795 – 26 September 1839)
* Columba Kim Hyoim [fr] (1814 – 26 September 1839)
* Ignatius Kim Chejun [fr] (1796 – 26 September 1839)
* Kim Iulitta [fr] (1784 – 26 September 1839)
* Magdalena Ho Kyeim [pl] (1773 – 26 September 1839)
* Magdalena Pak Pongson [fr] (1796 – 26 September 1839)
* Perpetua Hong Kimju [fr] (1804 – 26 September 1839)
* Sebastian Nam Igwan [fr] (1780 – 26 September 1839)
* Peter Yu Tae-chol (1826 – 31 October 1839)
* Cecilia Yu Sosa [fr] (1761 – 23 November 1839)
* Barbara Cho Chungi [fr] (1782 – 29 December 1839)
* Barbara Ko Suni [pl] (1798 – 29 December 1839)
* Benedicta Hyong Kyongnyon [fr] (1794 – 29 December 1839)
* Elizabeth Chong Chonghye [fr] (1797 – 29 December 1839)
* Magdalena Han Yongi [fr] (1783 – 29 December 1839)
* Magdalena Yi Yongdok [fr] (1812 – 29 December 1839)
* Peter Choe Changhub [pl] (1787 – 29 December 1839)
* Agatha Yi [fr] (1824 – 9 January 1840)
* Teresa Kim [fr] (1797 – 9 January 1840)
* Stephen Min Kuk-ka (1788 – 20 January 1840)
* Andrew Chong Hwagyong [pl] (1808 – 23 January 1840)
* Paul Ho Hyob [fr] (1796 – 30 January 1840)
* Agatha Kwon Chin-i (1820 – 31 January 1840)
* Agatha Yi Kyong-i (1814 – 31 January 1840)
* Augustine Pak Chongwon [fr] (1793 – 31 January 1840)
* Magdalena Son Sobyok [fr] (1802 – 31 January 1840)
* Maria Yi Indok [pl] (1819 – 31 January 1840)
* Peter Hong Pyongju [fr] (1799 – 31 January 1840)
* Barbara Choe Yongi [fr] (1819 – 1 February 1840)
* Johannes Yi Munu [pl] (1810 – 1 February 1840)
* Paul Hong Yongju [pl] (1802 – 1 February 1840)
* Anthony Kim Songu [it] (1795 – 29 April 1841)
* Andrew Kim Taegon (21 August 1821 – 16 September 1846)
* Charles Hyon Songmun [fr] (1797 – 19 September 1846)
* Agatha Yi Kannan [fr] (1814 – 20 September 1846)
* Catherina Chong Choryom [fr] (1817 – 20 September 1846)
* Joseph Im Chipek [pl] (1804 – 20 September 1846)
* Lawrence Han Ihyong [pl] (1798 – 20 September 1846)
* Peter Nam Kyongmun [pl] (1797 – 20 September 1846)
* Susanna U Surim [fr] (1803 – 20 September 1846)
* Teresa Kim Imi [fr] (1811 – 20 September 1846)
* Peter Yu Chongnyul [fr] (1837 – 17 February 1866)
* John Baptist Nam Chongsam [pl] (1817 – 7 March 1866)
* Louis Beaulieu (8 October 1840 – 7 March 1866)
* Pierre-Henri Dorie (23 September 1839 – 7 March 1866)
* Simon-Marie-Just Ranfer de Bretenières [fr] (28 February 1838 – 7 March 1866)
* Siméon-François Berneux (14 May 1814 – 8 March 1866)
* John Baptist Chon Changun [pl] (1811 – 9 March 1866)
* Peter Choe Hyong [pl] (1814 – 9 March 1866)
* Alexis U Seyong [pl] (1845 – 11 March 1866)
* Mark Chong Uibae [pl] (1795 – 11 March 1866)
* Joseph Chang Chugi [fr] (1803 – 30 March 1866)
* Lucas Hwang Soktu [fr] (1813 – 30 March 1866)
* Marie-Nicolas-Antoine Daveluy (16 March 1818 – 30 March 1866)
* Martin-Luc Huin [fr] (20 October 1836 – 30 March 1866)
* Pierre Aumaitre [fr] (8 April 1837 – 30 March 1866)
* Thomas Son Chasuhn (1838 – 30 March 1866)
* Bartholomew Chong Munho [pl] (1802 – 13 December 1866)
* Joseph Han Wonso [pl] (1836 – 13 December 1866)
* Peter Cho Hwaso [pl] (1815 – 13 December 1866)
* Peter Chong Wonji [pl] (1846 – 13 December 1866)
* Peter Son Sonji [pl] (1820 – 13 December 1866)
* Peter Yi Myongso [pl] (1821 – 13 December 1866)
* Joseph Cho Yunho [pl] (1848 – 23 December 1866)
* John Yi Yun-il (1823 – 21 January 1867)