# Roman Catholic Diocese of Qui Nhơn

The Diocese of Qui Nhơn (also written as the Diocese of Quy Nhơn; Latin: Dioecesis Quinhonensis; Vietnamese: Giáo phận Qui Nhơn) is a Catholic diocese in central Vietnam. The Bishop is Matthieu Nguyễn Văn Khôi, previously rector of Assumption Cathedral in Quy Nhơn and professor at the Stella Maris Major Seminary of Nha Trang, was appointed Coadjutor Bishop of the diocese by Pope Benedict XVI on December 31, 2009. The creation of the diocese in present form was declared on 24 November 1960.
The diocese covers an area of 16,200 km², and is a suffragan diocese of the Archdiocese of Huế.
By 2004, the diocese of Qui Nhơn had about 62,520 Catholics (1.7% of the population), 70 priests and 36 parishes.
Assumption Cathedral in Quy Nhơn town has been assigned as the cathedral of the diocese.

## Ordinaries
### Vicariate Apostolic of Cochin (1658-1844)

| Vicar Apostolic | Vicar Apostolic | Period in office | Status |
| 1 | Bishop Pierre Lambert de la Motte, M.E.P. | July 29, 1658 – June 15, 1679 | Died in office |
| 2 | Bishop Guillaume Mahot, M.E.P. | January 29, 1680 – June 04, 1864 | Died in office |
| 3 | Bishop Joseph Duchesnes | 1864 – June 17, 1864 | Died in office |
| 4 | Bishop François Perez | February 05, 1687 – September 20, 1728 | Died in office |
| 5 | Bishop Alexandre de Alexandris, B. | September 20, 1728 – September 13, 1738 | Died in office |
| 6 | Bishop Valère Rist, O.F.M. | 1737 – April 13, 1743 | Died in office |
| 7 | Bishop Arnaud-François Lefèbvre, M.E.P. | October 06, 1741 – March 27, 1760 | Died in office |
| 8 | Bishop Guillaume Piguel, M.E.P. | July 29, 1762 – June 21, 1771 | Died in office |
| 9 | Bishop Pierre-Joseph-Georges Pigneau de Béhaine, M.E.P. | September 24, 1771 – October 09, 1799 | Died in office |
| 10 | Bishop Jean Labartette, M.E.P. | October 09, 1799 – August 06, 1823 | Died in office |
| 11 | Bishop Jean-Louis Taberd, M.E.P. | September 18, 1827 – July 31, 1840 | Died in office |
| 12 | Bishop Étienne-Théodore Cuenot, M.E.P. | July 31, 1840 – March 02, 1844 | Remained as Vicar apostolic of Eastern Cochin. |

#### Coadjutor Vicar Apostolic of Cochin

| Vicar Apostolic | Vicar Apostolic | Period in office |
| 1 | Bishop Charles-Marin Labbé, M.E.P. | January 15, 1697 – March 24, 1723 |
| 2 | Bishop Alexandre de Alexandris, B. | December 22, 1725 – September 20, 1728 |
| 3 | Bishop Valerian Rist, O.F.M. | October 03, 1735 – September 15, 1737 |
| 4 | Bishop Edmond Bennetat, M.E.P. | September 22, 1745 – July 16, 1758 |
| 5 | Bishop Jean Labartette, M.E.P. | March 30, 1784 – October 09, 1799 |
| 6 | Bishop Jean-André Doussain, M.E.P. | July 23, 1798 – December 14, 1809 |
| 7 | Bishop Pierre-Marie Le Labousse, M.E.P. | 1801 – May 28, 1801 |
| 8 | Bishop Jean-Joseph Audemard | 1817 – August 08, 1821 |
| 9 | Bishop Étienne-Théodore Cuenot, M.E.P. | September 09, 1831 – July 31, 1840 |
| 10 | Bishop Dominique Lefèbvre, M.E.P. | December 10, 1839 – March 02, 1844 |

### Vicariate Apostolic of Eastern Cochin (1844-1924)

| Vicar Apostolic | Vicar Apostolic | Period in office | Status |
| 13 | Bishop Étienne-Théodore Cuenot, M.E.P. | March 02, 1844 – November 14, 1861 | Died in office, Martyred. |
| 14 | Bishop Eugène-Étienne Charbonnier, M.E.P. | September 09, 1864 – August 07, 1878 | Died in office |
| 15 | Bishop Louis-Marie Galibert, M.E.P. | May 23, 1879 – April 24, 1883 | Died in office |
| 16 | Bishop Désiré-François-Xavier Van Camelbeke, M.E.P. | January 15, 1884 – November 09, 1901 | Died in office |
| 17 | Bishop Damien Grangeon, M.E.P. | June 09, 1902 – December 03, 1924 | Remained as Vicar apostolic of Quinhon. |

#### Coadjutor Vicar Apostolic of Eastern Cochin (1844-1921)

| Vicar Apostolic | Vicar Apostolic | Period in office | Reference |
| 11 | Bishop François-Marie-Henri-Agathon Pellerin, M.E.P. | March 11, 1844 – August 27, 1850 | |
| 12 | Bishop Constant Philomen Jeanningros, M.E.P. | August 24, 1911 – March 21, 1921 | |

### Vicariate Apostolic of Quinhon (1924-1957)

| Vicar Apostolic | Vicar Apostolic | Period in office | Status |
| 18 | Bishop Damien Grangeon, M.E.P. | December 03, 1924 – March 03, 1929 | Resigned |
| 19 | Bishop Augustin-Marie Tardieu, M.E.P. | December 19, 1929 – December 12, 1942 | Died in office |
| 20 | Bishop Paul-Raymond-Marie-Marcel Piquet, M.E.P. | November 11, 1943 – July 05, 1957 | Transferred to Nha Trang. |

### Diocese of Qui Nhon (1960-present)

| Bishop | Bishop | Period in office | Status |
| 1 | Bishop Pierre-Marie Phạm Ngọc Chi | November 24, 1960 – January 18, 1963 | Transferred to Da Nang. |
| 2 | Bishop Dominique Hoàng Văn Ðoàn, O.P. | January 18, 1963 – May 20, 1974 | Died in office |
| 3 | Bishop Paul Huỳnh Ðông Các | July 01, 1974 – June 03, 1999 | Resigned |
| 4 | Bishop Pierre Nguyễn Soạn | June 03, 1999 – June 30, 2012 | Resigned |
| 5 | Bishop Matthieu Nguyễn Văn Khôi | June 30, 2012 – present | Incumbent |

#### Coadjutor Bishops of Qui Nhon (1976-2012)

| Coadjutor Bishop | Coadjutor Bishop | Coadjutor Bishop | Coat of Arms | Period in office | Reference |
| 1 | | Bishop Joseph Phan Văn Hoa | | March 30, 1976 – October 06, 1987 | |
| 2 | | Bishop Matthieu Nguyễn Văn Khôi | | December 31, 2009 – June 30, 2012 | |