|Full name||Oleg Vyacheslavovich Sergeyev|
|Date of birth||29 March 1968|
|Place of birth||Volgograd, Russian SFSR|
|Height||1.78 m (5 ft 10 in)|
|FC Khimki (asst coach)|
|1985–1988||FC Rotor Volgograd||81||(16)|
|1989–1996||PFC CSKA Moscow||154||(43)|
|1995||→ Al-Ittihad (loan)|
|1996||FC Alania Vladikavkaz||13||(2)|
|1997||FC Dynamo Moscow||1||(0)|
|1998||FC Metallurg Lipetsk||19||(6)|
|1998||FC Lokomotiv Moscow||1||(0)|
|1999–2000||FC Torpedo-ZIL Moscow||39||(12)|
|2001||FC Baltika Kaliningrad||22||(7)|
|2002||FC Presnya Moscow|
|2002–2004||FC Salyut-Energia Belgorod||63||(9)|
|2005||FC Salyut-Energiya Belgorod (assistant)|
|2006||FC SKA Rostov-on-Don (assistant)|
|2007||FC Nika Krasny Sulin (assistant)|
|2008||FC Nika Krasny Sulin|
|2009–2010||FC Avangard Kursk (assistant)|
|2010||FC Avangard Kursk (caretaker)|
|2011–2012||FC Salyut Belgorod (assistant)|
|2012–2013||FC Lokomotiv-2 Moscow (assistant)|
|2014–2015||FK Vardar (assistant)|
|2017||FC Rotor Volgograd (assistant)|
|2018–||FC Khimki (assistant)|
|* Senior club appearances and goals counted for the domestic league only
- Soviet Premier League winner: 1991.
- Soviet Premier League runner-up: 1990.
- Russian Premier League runner-up: 1996.
- Soviet Cup winner: 1991.
- Soviet Cup runner-up: 1992.
- Russian Cup runner-up: 1993, 1994, 1997.
Sergeyev made his debut for USSR on 23 May 1991 in a friendly against Argentina. He scored both of his national team goals in friendlies against United States: for CIS on 2 February 1992 and for Russia on 13 February 1993. He was not selected for the UEFA Euro 1992 squad.
- Player profile (in Russian)