| Sergei Gunko | |
| Fullname: | Sergei Valentinovich Gunko |
| Birth Date: | 12 January 1973 |
| Height: | 1.74 m |
| Position: | Defender |
| Years1: | 1992 |
| Caps1: | 10 |
| Goals1: | 1 |
| Years2: | 1993–2002 |
| Caps2: | 319 |
| Goals2: | 28 |
| Years3: | 2002 |
| Caps3: | 12 |
| Goals3: | 0 |
| Years4: | 2003 |
| Caps4: | 19 |
| Goals4: | 1 |
| Years5: | 2003–2005 |
| Caps5: | 78 |
| Goals5: | 2 |
| Years6: | 2006 |
| Caps6: | 36 |
| Goals6: | 0 |
| Years7: | 2007–2008 |
| Caps7: | 40 |
| Goals7: | 3 |
| Manageryears1: | 2011–2012 |
| Managerclubs1: | SC Smolensk (D4) |
| Manageryears2: | 2012–2015 |
| Managerclubs2: | FC Dnepr Smolensk |
| Manageryears3: | 2015–2016 |
| Managerclubs3: | FC Astrakhan |
| Manageryears4: | 2016–2019 |
| Managerclubs4: | FC Dnepr Smolensk |
| Manageryears5: | 2019 |
| Managerclubs5: | FC Orsha (assistant) |
| Manageryears6: | 2019 |
| Managerclubs6: | FC Volga Ulyanovsk |
| Manageryears7: | 2020 |
| Managerclubs7: | FC Smolensk |
| Manageryears8: | 2021 |
| Managerclubs8: | FC Luki-Energiya Velikiye Luki |
Sergei Valentinovich Gunko (ru|Серге́й Валентинович Гунько; born 12 January 1973) is a Russian professional football coach and a former player.