| Oleg Korniyenko | |
| Fullname: | Oleg Valeryevich Korniyenko |
| Birth Date: | 1973 5, df=y |
| Birth Place: | Vladikavkaz, North Ossetian ASSR, Russian SFSR, Soviet Union |
| Position: | Centre back / Full back |
| Youthclubs1: | FC Spartak Ordzhonikidze |
| Years1: | 1989 |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 1990 |
| Caps2: | 28 |
| Goals2: | 2 |
| Years3: | 1991 |
| Caps3: | 0 |
| Goals3: | 0 |
| Years4: | 1991–1994 |
| Caps4: | 95 |
| Goals4: | 6 |
| Years5: | 1994–1999 |
| Caps5: | 109 |
| Goals5: | 1 |
| Years6: | 2000–2001 |
| Clubs6: | Zhenis |
| Caps6: | 40 |
| Goals6: | 6 |
| Years7: | 2001–2008 |
| Caps7: | 205 |
| Goals7: | 24 |
| Nationalyears1: | 1994 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2007 |
| Nationalcaps2: | 2 |
| Nationalgoals2: | 0 |
| Manageryears1: | 2009 |
| Managerclubs1: | Shakhter Karagandy (assistant) |
| Manageryears2: | 2010–2011 |
| Managerclubs2: | Shakhter Karagandy (assistant) |
| Manageryears3: | 2012–2014 |
| Managerclubs3: | Shakhter Karagandy (assistant) |
| Manageryears4: | 2015 |
| Managerclubs4: | Ordabasy (assistant) |
| Manageryears5: | 2018–2019 |
| Managerclubs5: | Atyrau (assistant) |
| Manageryears6: | 2021–2022 |
| Managerclubs6: | Alania-2 Vladikavkaz (assistant) |
Oleg Korniyenko (Russian: Олег Валерьевич Корниенко; born 28 May 1973) is a Kazakhstani-Russian football coach and a former player.
Korniyenko started off as a central defender but mostly played as a right or left back.
He made his debut in the Russian Premier League in 1994 for Spartak Vladikavkaz.
He has capped for Kazakhstan 2 times.
All with FC Alania Vladikavkaz.