| Oleg Syomin | |
| Fullname: | Oleg Anatolyevich Syomin |
| Birth Date: | 15 December 1974 |
| Position: | Midfielder/Forward |
| Years1: | 1993–1994 |
| Years2: | 1995–1996 |
| Years3: | 1996 |
| Years4: | 1997–1998 |
| Years5: | 1999 |
| Years6: | 2000 |
| Years7: | 2000 |
| Years8: | 2001 |
| Years9: | 2001 |
| Years10: | 2002 |
| Years11: | 2004 |
| Years12: | 2005 |
| Clubs9: | FC Lokomotiv Nizhny Novgorod |
| Clubs12: | FC Gazovik Orenburg |
| Caps1: | 12 |
| Caps2: | 2 |
| Caps3: | 25 |
| Caps4: | 59 |
| Caps5: | 26 |
| Caps6: | 14 |
| Caps7: | 2 |
| Caps8: | 10 |
| Caps9: | 8 |
| Caps10: | 6 |
| Caps11: | 13 |
| Caps12: | 24 |
| Goals1: | 3 |
| Goals2: | 0 |
| Goals3: | 2 |
| Goals4: | 2 |
| Goals5: | 1 |
| Goals6: | 0 |
| Goals7: | 0 |
| Goals8: | 1 |
| Goals9: | 0 |
| Goals10: | 0 |
| Goals11: | 0 |
| Goals12: | 0 |
Oleg Anatolyevich Syomin (ru|Олег Анатольевич Сёмин; born 15 December 1974) is a former Russian professional footballer.
He made his professional debut in the Russian Second Division in 1993 for FC Bulat Cherepovets.