| Birth Date: | 26 May 1964 |
| Birth Place: | Mezhdurechensk, Kemerovo Oblast, Russian SFSR, Soviet Union |
| Country: | Soviet Union |
| Weight Class: | 65 kg, 71 kg |
| Olympics Rank: | R32 |
| Olympics Year: | 1992 |
| Olympics Weight: | Men's 65 kg |
| Worlds Rank: | 3 |
| Worlds Year: | 1989 |
| Worlds Year2: | 1991 |
| Worlds Year3: | 1993 |
| Regionals Type: | EU |
| Regionals Rank: | 1 |
| Regionals Year: | 1993 |
| Regionals Weight: | Men's 65 kg |
| Regionals Year2: | 1994 |
| Regionals Weight2: | Men's 71 kg |
| Updated: | 8 July 2024 |
Sergei Kosmynin (born 26 May 1964) is a Russian judoka. He competed in the men's half-lightweight event at the 1992 Summer Olympics, representing the Unified Team.[1]
| Year | Tournament | Place | Weight class | |
|---|---|---|---|---|
| 1994 | European Judo Championships | 1st | Lightweight (71 kg) | |
| 1993 | World Judo Championships | 3rd | Half lightweight (65 kg) | |
| European Judo Championships | 1st | Half lightweight (65 kg) | ||
| 1991 | World Judo Championships | 3rd | Half lightweight (65 kg) | |
| 1989 | World Judo Championships | 3rd | Half lightweight (65 kg) | |
| European Judo Championships | 2nd | Half lightweight (65 kg) | ||
| 1988 | European Judo Championships | 3rd | Half lightweight (65 kg) | |
| 1987 | European Judo Championships | 3rd | Half lightweight (65 kg) |