| Gennadi Syomin | |
| Fullname: | Gennadi Vladimirovich Syomin |
| Birth Date: | 4 December 1967 |
| Birth Place: | Moscow, Russian SFSR, Soviet Union |
| Height: | 1.79 m |
| Position: | Midfielder |
| Youthclubs1: | EShVSM Moscow |
| Years1: | 1984 |
| Clubs1: | FShM Moscow |
| Caps1: | 11 |
| Goals1: | 2 |
| Years2: | 1985 |
| Clubs2: | Torpedo Moscow |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 1985–1987 |
| Clubs3: | SC EShVSM Moscow |
| Caps3: | 53 |
| Goals3: | 6 |
| Years4: | 1988–1989 |
| Caps4: | 49 |
| Goals4: | 4 |
| Years5: | 1990 |
| Clubs5: | Spartak Moscow |
| Caps5: | 0 |
| Goals5: | 0 |
| Years6: | 1991 |
| Clubs6: | Lokomotiv Moscow |
| Caps6: | 11 |
| Goals6: | 1 |
| Years7: | 1991 |
| Clubs7: | Shinnik Yaroslavl |
| Caps7: | 6 |
| Goals7: | 0 |
| Years8: | 1992 |
| Clubs8: | Lokomotiv Moscow |
| Caps8: | 1 |
| Goals8: | 0 |
| Years9: | 1992 |
| Clubs9: | → Lokomotiv-d Moscow |
| Caps9: | 1 |
| Goals9: | 0 |
| Years10: | 1992–2000 |
| Clubs10: | FC Fakel Voronezh |
| Caps10: | 297 |
| Goals10: | 42 |
| Years11: | 2001 |
| Clubs11: | Uralan Elista |
| Caps11: | 22 |
| Goals11: | 1 |
| Years12: | 2002 |
| Clubs12: | Rubin Kazan |
| Caps12: | 22 |
| Goals12: | 4 |
| Years13: | 2003 |
| Caps13: | 15 |
| Goals13: | 3 |
| Years14: | 2004–2005 |
| Clubs14: | FC Dynamo Voronezh (amateur) |
| Manageryears1: | 2005–2007 |
| Manageryears2: | 2007–2008 |
| Managerclubs2: | FC Dynamo-Voronezh-2 |
| Manageryears3: | 2008 |
| Managerclubs3: | FC Fakel Voronezh |
| Manageryears4: | 2009 |
| Manageryears5: | 2012 |
| Managerclubs5: | FC Fakelony Voronezh |
| Manageryears6: | 2013–2015 |
| Managerclubs6: | FC Olimpik Novaya Usman |
Gennadi Vladimirovich Syomin (Russian: Геннадий Владимирович Сёмин; 4 December 1967 – 8 June 2021) was a Russian professional football coach and player.
Syomin manages an amateur side FC Olimpik Novaya Usman. He made his professional debut in the Soviet Second League in 1984 for FShM Moscow. He played one game for FC Spartak Moscow in the Soviet Cup.