| Sergei Martynov | |
| Native Name: | Сяргей Анатолевіч Мартынаў |
| Native Name Lang: | be |
| Birth Date: | 18 May 1968 |
| Birth Place: | Vereya, Naro-Fominsky District, Moscow Oblast, Russian SFSR, Soviet Union |
| Show-Medals: | yes |
Sergei Martynov (be|Сяргей Анатолевіч Мартынаў; new transliteration Siarhei Martynau, Łacinka Siarhiej Anatolevič Martynaŭ) (born 18 May 1968) is a Belarusian 50 m rifle shooter. He is the 2012 Olympic champion in the 50 m rifle prone event.
Martynov was born in Vereya, Naro-Fominsky District, Moscow Oblast, Russian SFSR. Although a world-class competitor in the three positions event, he achieved his greatest successes in the prone event. He won bronze medals in the 50 m rifle prone events at the 2000 Summer Olympics in Sydney and 2004 Summer Olympics in Athens.
Martynov won gold at the 2006 ISSF World Shooting Championships. He also has numerous victories in ISSF World Cups and World Cup Finals. He has reached the maximum score of 600 points six times in competition, more than any other shooter.
In 2012, at age 44, he won his first Olympic gold medal, in the 50 m rifle prone event at the 2012 Summer Olympics in London.
| Event | 1988 | 1992 | 1996 | 2000 | 2004 | 2008 | 2012 | |
|---|---|---|---|---|---|---|---|---|
| 50 metre rifle three positions | — | — | 8th 1166+97.9 | 9th 1164 | 29th 1152 | 34th 1156 | — | |
| 50 metre rifle prone | — | — | 6th 598+101.6 | Bronze 598+102.3 | Bronze 596+105.6 | 8th 595+103.3 | Gold 600+105.5 | |
| 10 metre air rifle | 14th 588 | — | — | — | — | — | — |