| Sergei Ryzhikh | |
| Fullname: | Sergei Vladimirovich Ryzhikh |
| Birth Date: | 12 September 1979 |
| Birth Place: | Horlivka, Ukrainian SSR |
| Height: | 1.83 m |
| Position: | Striker/Midfielder |
| Years1: | 2001–2005 |
| Years2: | 2006–2007 |
| Years3: | 2008 |
| Years4: | 2008–2009 |
| Years5: | 2009–2010 |
| Years6: | 2010 |
| Clubs1: | FC SKA-Energiya Khabarovsk |
| Clubs2: | FC Baltika Kaliningrad |
| Clubs3: | FC Salyut-Energia Belgorod |
| Clubs4: | FC Metallurg Lipetsk |
| Clubs5: | FC Zakarpattia Uzhhorod |
| Clubs6: | FC SKA-Energiya Khabarovsk |
| Caps1: | 150 |
| Caps2: | 54 |
| Caps3: | 7 |
| Caps4: | 18 |
| Caps5: | 2 |
| Caps6: | 9 |
| Goals1: | 44 |
| Goals2: | 10 |
| Goals3: | 0 |
| Goals4: | 5 |
| Goals5: | 0 |
| Goals6: | 1 |
| Manageryears1: | 2012–2015 |
| Managerclubs1: | FC Helios Kharkiv (academy) |
| Manageryears2: | 2015–2017 |
| Managerclubs2: | FC Helios Kharkiv (assistant) |
Sergei Vladimirovich Ryzhikh or Serhiy Volodymyrovych Ryzhykh (Russian: Серге́й Владимирович Рыжих; Ukrainian: Сергій Володимирович Рижих; born 12 September 1979) is a Russian-Ukrainian professional football coach and a former player.