| Oleg Aleynik | |
| Fullname: | Oleg Igorevich Aleynik |
| Birth Date: | 8 February 1989 |
| Birth Place: | Gukovo, Rostov Oblast, Russian SFSR |
| Height: | 1.81 m |
| Position: | Midfielder |
| Youthclubs1: | UOR Volgograd |
| Years1: | 2006–2007 |
| Clubs1: | FC Rostov |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2008–2010 |
| Clubs2: | FC Moscow |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 2009 |
| Clubs3: | → FC Metallurg Lipetsk (loan) |
| Caps3: | 12 |
| Goals3: | 0 |
| Years4: | 2010 |
| Clubs4: | → FC Rotor Volgograd (loan) |
| Caps4: | 21 |
| Goals4: | 1 |
| Years5: | 2011 |
| Caps5: | 0 |
| Goals5: | 0 |
| Years6: | 2011–2013 |
| Clubs6: | FC Rotor Volgograd |
| Caps6: | 26 |
| Goals6: | 2 |
| Years7: | 2013 |
| Caps7: | 19 |
| Goals7: | 9 |
| Years8: | 2014–2016 |
| Clubs8: | FC Volgar Astrakhan |
| Caps8: | 67 |
| Goals8: | 15 |
| Years9: | 2016–2018 |
| Clubs9: | FC Kuban Krasnodar |
| Caps9: | 57 |
| Goals9: | 7 |
| Years10: | 2018–2019 |
| Clubs10: | FC SKA-Khabarovsk |
| Caps10: | 30 |
| Goals10: | 2 |
| Years11: | 2019–2021 |
| Clubs11: | FC Rotor Volgograd |
| Caps11: | 45 |
| Goals11: | 2 |
| Years12: | 2021 |
| Caps12: | 0 |
| Goals12: | 0 |
| Years13: | 2021–2022 |
| Caps13: | 12 |
| Goals13: | 1 |
| Years14: | 2022–2023 |
| Clubs14: | FC Rotor Volgograd |
| Caps14: | 8 |
| Goals14: | 0 |
| Pcupdate: | 14 October 2022 |
Oleg Igorevich Aleynik (Russian: Олег Игоревич Алейник; born 8 February 1989) is a Russian professional footballer.
He made his Russian Football National League debut for FC Metallurg Lipetsk on 17 August 2009 in a game against FC Sibir Novosibirsk.
He made his Russian Premier League debut for FC Rotor Volgograd on 11 August 2020 in a game against FC Zenit Saint Petersburg.[1]