| Oleg Sizov | |
| Fullname: | Oleg Gennadyevich Sizov |
| Birth Date: | 11 June 1963 |
| Birth Place: | Kuybyshev, Russian SFSR |
| Position: | Midfielder |
| Years1: | 1981 |
| Clubs1: | FC Uralets Nizhny Tagil |
| Caps1: | 6 |
| Goals1: | 1 |
| Years2: | 1982–1984 |
| Clubs2: | did not play |
| Years3: | 1985–1987 |
| Clubs3: | FC Avangard Kamyshin (amateur) |
| Years4: | 1987 |
| Clubs4: | FC Tekstilshchik Kamyshin (amateur) |
| Years5: | 1988–1989 |
| Clubs5: | FC Tekstilshchik Kamyshin |
| Caps5: | 48 |
| Goals5: | 7 |
| Years6: | 1989 |
| Clubs6: | FC Rotor Volgograd |
| Caps6: | 1 |
| Goals6: | 0 |
| Years7: | 1990 |
| Clubs7: | FC Tekstilshchik Kamyshin |
| Caps7: | 0 |
| Goals7: | 0 |
| Years8: | 1990 |
| Clubs8: | FC Avangard Kamyshin (amateur) |
| Years9: | 1991–1994 |
| Clubs9: | FC Avangard Kamyshin |
| Caps9: | 99 |
| Goals9: | 22 |
| Years10: | 1995–1996 |
| Clubs10: | FC Tekstilshchik Kamyshin |
| Caps10: | 1 |
| Goals10: | 0 |
| Years11: | 1996 |
| Clubs11: | FC Energiya-Tekstilshchik-d Kamyshin |
| Years12: | 2003 |
| Clubs12: | FC Kolos-Dynamo Nikolayevsk |
| Years13: | 2006 |
| Clubs13: | FC Petrov Val |
| Manageryears1: | 1997 |
| Managerclubs1: | FC Energiya-d Kamyshin |
Oleg Gennadyevich Sizov (ru|Олег Геннадьевич Сизов; born 11 June 1963, in Kuybyshev) is a former Russian football player and coach.[1]