数学竞赛是以数学为主题的考试竞赛活动。题目类型通常为选择、填空、解答和证明题。

国际数学竞赛 
 IMO 国际数学奥林匹克（International Mathematical Olympiad）——全球范围
 IMC 国际大学生数学竞赛（International Mathematics Competition for University Students）) 
 PMWC 小学数学国际比赛 -- 全球范围
 IWYMIC 青少年數學國際城市邀請賽（Invitational World Youth Mathematics Inter-city Competition）（涵蓋歐洲、亞洲、非洲、北美洲、大洋洲之選手）
 阿里巴巴全球数学竞赛（Alibaba Global Mathematics Competition）——全球范围，无任何报名限制
 GMEC Global Mathematics Elite Competition 全球數學精英賽 - 全球範圍
 WMI World Mathematics Invitational 世界數學邀請賽 - 全球範圍

区域数学竞赛 

 SEAMO 东南亚数学奥林匹克（SEAMEO Mathematics Olympiad）——东南亚
 APMO 亚太数学奥林匹克（Asian-Pacific Mathematics Olympiad）——太平洋周边地区
 OIM 伊比利亚数学奥林匹克（Olimpíadas Iberoamericanas de Matemática）——西班牙，葡萄牙和拉丁美洲
 中美洲及加勒比海数学奥林匹克（Olimpiada Matematica de Centroamérica y del Caribe）——中美洲及加勒比海
 南方共同市场数学奥林匹克 Olimpiada Matematica de Paises del Cono Sur——南美8国
 巴尔干数学奥林匹克（Balkan Mathematical Olympiad）——15.5岁以上巴尔干地区学生
 少年波罗的海数学奥林匹克（Junior Balkan Mathematical Olympiad）——15.5岁以下巴尔干地区学生
 北歐數學競賽（Nordic Mathematical Contest）——北歐五國
 帕特南数学竞赛（William Lowell Putnam Mathematical Competition）——美国和加拿大
 波罗的之路（Baltic Way）——波罗的海国家
 亚洲城际少年数学奥林匹克 AITMO（Asian Inter-city Teenagers Mathematics Olympiad）——东亚地区青少年中学生

国內数学竞赛

OMA (Olimpíada Matemática Argentina)

AMC (澳大利亚数学竞赛) (連結 )
 AMO (澳大利亚数学奥林匹克) (連結 )
 ICAS-Mathematics (国际竞赛和学校评估——数学，前称：澳大利亚学校数学评估) (連結)
 APMOPS (新加坡牙太地区小学数学竞赛) (連結)

ÖMO (Österreichische Mathematik-Olympiade) (連結 )

OMB (Olympiade Mathématique Belge)
 VWO (Vlaamse Wiskunde Olympiade)

OBM (Olimpíada Brasileira de Matemática)
 Olimpíada Paulista

数学和计算教育中心 举办的国家竞赛:

完整解答:
 Euclid (12年级)
 Hypatia (11年级)
 Galois (10年级)
 Fryer (9年级)

多向选择:
 Fermat (11th grade students)
 Cayley (10th grade students)
 Pascal (9th grade students)
 Gauss (7th and 8th grade students)

National competitions hosted by The Mathematics Contest Centre :

Multiple Choice:
 Pythagoras Contest (6th grade students)
 Fibonacci Contest (5th grade students)
 Byron-Germain Contest (4th grade students)

Other competitions hosted by The Canadian Mathematical Society :
 COMC (Canadian Open Mathematics Challenge)
 CMO (Canadian Mathematics Olympiad)

MATHChallengers  (formerly MathCounts BC) is called MathChallengers since 2005. It is hosted by APEGBC .

CMO (China Mathematics Olympiad) 中国数学奧林匹克(又稱全国中学生数学冬令營)
 CWMO (China Western Mathematics Olympiad) 中国西部数学奧林匹克
 CSMO (China Southeast Mathematical Olympiad) 中国東南地區数学奧林匹克
 CGMO (Chinese Girls' Mathematics Olympiad) 中国女子数学奥林匹克
 CNMO (China National Mathematics Olympiad)分为全国初中数学联赛和全国高中数学联赛

Κυπριακή Μαθηματική Ολυμπιάδα (Cyprus Mathematical Olympiad) - Mathematics competitions for students in every grade.
 Επαρχιακοί Διαγωνισμοί Β΄ και Γ΄ τάξεων Λυκείων (Provincial Competitions for 2nd and 3rd grades of Lycea)
 Παγκύπριος Διαγωνισμος Λυκείου "Ζήνων" ("Zeno" Competition of Lyceum)
 Παγκύπριος Διαγωνισμος Α΄ Λυκείου "Πετράκης Γιάλλουρος" ("Petrakis Yallouros" Competition for 1st grade of Lyceum) - For students under 15.5 years old
 Παγκύπριος Διαγωνισμος Γ΄ Λυκείου "Ευαγόρας Παλληκαρίδης" ("Evagoras Pallikarides" Competition for 3rd grade of high school) - For students under 15.5 years old

Georg Mohr (Contest for Danish high school students, see http://www.georgmohr.dk  for more details [note: in Danish])

DeMO (Deutsche Mathematik-Olympiade, http://www.mathematik-olympiaden.de )
 BWM (Bundeswettbewerb Mathematik, http://www.bundeswettbewerb-mathematik.de), AIMO (Auswahlwettbewerb zur Internationalen Mathematik-Olympiade / Team selection tests for the IMO, https://web.archive.org/web/20051223112014/http://www.bundeswettbewerb-mathematik.de/imo/main.htm)
 LWMB (Landeswettbewerb Mathematik Bayern, http://lwmb.de ), LWM (Landeswettbewerb Mathematik Baden-Württemberg, http://landeswettbewerb-mathematik.de )

香港數學競賽 (HKMO，Hong Kong Mathematics Olympiad, links with past papers: https://web.archive.org/web/20090129115028/http://www.edb.gov.hk/index.aspx?nodeid=6351&langno=2)
 香港青少年數學精英選拔賽 (HKMHASC，Hong Kong Mathematical High Achievers Selection Contest, for form 1 to 3 students, select students to the IWYMIC, Homepage in Chinese(flash): http://www.hkymhasc.org/ )
 國際數學奧林匹克香港選拔賽 (IMO HK Prelim, International Mathematical Olympiad Hong Kong Preliminary Selection Contest, http://ge.hkage.org.hk/b5/competitions/detail/858  )
 培正數學邀請賽 (Pui Ching Invitational Mathematics Competition, http://www.puichingcentre.edu.hk/pcimc/ )
 Inter-School Mathematics Contest (Organized by Hong Kong Joint School Mathematics Society, https://web.archive.org/web/20130602062108/http://hkjsms.org/)

Kalmár László Országos Matematika Verseny (3rd to 8th grade students)
 Kömal (a year-long contest, each month you have to submit solutions to some problems, 9th-12th grade, Homepage in English: http://www.komal.hu/info/bemutatkozas.e.shtml  )
 ADMV (Arany Dániel Matematika Verseny, 9th and 10th grade students)
 OKTV (Országos Középiskolai Tanulmányi Verseny, 11th and 12th grade)
 Kürschák József (first year university students or below)

Θαλής (Thalis) - first round
 Ευκλείδης (Efklidis) - second round
 Αρχιμήδης (Archimidis) - third round

Macao Mathematical Olympiad (Chinese homepage: http://www.sftw.umac.mo/~fstitl/olympiad/index.html  )
 學界數學比賽

学者联盟 (scholar.my) (全国华小线上数学竞赛) 学者联盟全国华小线上数学竞赛  )

MMO (Mexican Mathematical Olympiad, http://www.imo2005.org/omm.htm  )

NWO (Nederlandse Wiskunde Olympiade)

Niels Henrik Abels matematikk-konkurranse (Norwegian Mathematical Olympiad, website available both in Norwegian and English at http://abelkonkurransen.no/problems.php?lan=en  )

Philippine Mathematics Olympiad

Portuguese Mathematics Olympiad - Olimpíadas Portuguesas da Matemática (in Portuguese) 
 Olimpíada Paulistas (with Brazil)

MO Matematická olymipáda http://matematika.webpark.sk 
 STROM Korešpondenčné matematické semináre http://www.strom.sk 
 KMS Korešpondenčný matematický seminár http://kms.sk/

Skolornas matematiktävling (see http://www.math.uu.se/~dag/skolornas.html  or http://www.math.chalmers.se/~sam/problemet/bok.html  for older problems)
 Högstadiets matematiktävling (http://www.matematiktavling.org/hmt/ , open for students in grades 7 through 9)

Regional competition (https://web.archive.org/web/20061114025459/http://umath.nuk.edu.tw/~senpengeu/HighSchool/ for some problems) 各地區數學競賽.
 National competition 高中數學科能力競賽 
 IMO selection and training camp. IMO 國手選訓營及培訓營. 
 TRML （Taiwan Regions Mathematics League） 台灣區高中數學競賽

初级数学挑战赛
 中级数学挑战赛
 高级数学挑战赛 (formerly National Maths Contest)
 英国数学奥林匹克 (http://www.bmoc.maths.org/ )



国家小学数学竞赛 

 Mathematical Olympiads for Elementary and Middle Schools (MOEMS)
 OnlineMathLeague.com

国家中学数学竞赛 
 OnlineMathLeague.com
 MathCounts
 Math League
 SIGMA
 Mathematical Olympiads for Elementary and Middle Schools (MOEMS)
 United States of America Mathematical Talent Search (USAMTS)
 American Mathematics Competitions 8 (AMC->8), formerly the American Junior High School Mathematics Examination (AJHSME)
 Rocket City Math League

国家高中数学竞赛 
 American Mathematics Competitions 12 (AMC->12), formerly the American High School Mathematics Examination (AHSME)
 American Mathematics Competitions 10 (AMC->10)
 American Invitational Mathematics Examination (AIME)
 United States of America Mathematical Olympiad (USAMO)
 United States of America Mathematical Talent Search (USAMTS) 
 American Regions Mathematics League (ARML)
 Mandelbrot Competition
 Math League
 Mu Alpha Theta
 Fall Startup Event
 Team Scramble
 Ciphering Time Trials
 Four-by-Four Competition
 Collaborative Problem-Solving Contest

国家大学数学竞赛 
 William Lowell Putnam Mathematical Competition
 AMATYC Mathematics Contest

区域竞赛 

参看美国区域数学竞赛列表。

参看 
 Soviet Student Olympiads
 List of English Competitions

数学列表

競賽列表