| Australian Primary Schools Mathematical Olympiads Inc.: Open to primary schools in Australia, New Zealand and surrounding countries. |
| Countries with Olympiad Sites: Links to Mathematical Olympiad Websites. |
| IMO 1995: 36th International Mathematical Olympiad, July 13-25, Toronto, Canada. Contains results and picture gallery. |
| IMO 1996: 37th International Mathematical Olympiad, Mumbai, India. Contains results, problems and solutions. |
| IMO 1997: 38th International Mathematical Olympiad, Mar del Plata, Argentina. Contains problems, solutions, results. |
| IMO 1999: 40th International Mathematics Olympiad, July 10-22, Bucharest, Romania. Contains problems and results. |
| IMO 2000: 41st International Mathematical Olympiad, July 13-25, Taejon, South Korea. Contains problems and results. |
| IMO 2001: 42nd International Mathematical Olympiad, July 1-14, Washington DC, USA. Contains information and official results. |
| IMO 2003: 44th International Mathematical Olympiad, 7-20 July, Tokyo, Japan. Contains results, photos, problems and solutions. |
| IMO 2004: 45th International Mathematical Olympiad, July 4-18, Athens, Greece. |
| IMO 2006: 47th International Mathematical Olympiad, July 6-18, Ljubljana, Slovenia. Page includes program, regulations and travel arrangements. |
| IMO and National Olympiads: Information on past and future competitions, competing countries, exam problems and related materials. |
| IMO and Other Competitions: Past International Mathematical Olympiads and links to web sites related to various regional and national math competitions |
| IMO Network: Mailing lists for participants of the International Mathematical Olympiads. |
| International Math Competition for University Students: Information on past and future competitions, contest results and problems. 11th meeting: Skopje, Macedonia; 23--29 July 2004. |
| Math Olympiad for Elementary Schools: Contest open to all students grade 8 to 4. Offers resources for students and school mathematics clubs. |
| Mental Calculation World Cup 2004: Mental Calculation World Cup, an international competition for mental calculators |
| Rocket City Math League: International mail-in competition for avid students in mathematics. |
| Singapore International Mathematical Olympiad: Site provides information about the SIMO Community, the training and also charts Singapore's participation in the competition since 1988. |
| Vojtech Jarnik Mathematical Competition: Held at the University of Ostrava every year in March or April, open to university students. Site includes contest rules, results, and past problems and solutions. |
| William Lowell Putnam Competition: An annual college math contest administered by The Mathematical Association of America. |