| Serhiy Velychko | |
| Fullname: | Serhiy Mykolayovych Velychko |
| Birth Date: | 1976 8, df=yes |
| Birth Place: | Simferopol, Soviet Union |
| Position: | Goalkeeper |
| Years1: | 1994–1997 |
| Years2: | 1997–2005 |
| Years3: | 2003 |
| Years4: | 2006 |
| Years5: | 2006–2008 |
| Years6: | 2009–2012 |
| Clubs1: | Dynamo Saky |
| Clubs6: | Vorskla Poltava |
| Caps1: | 61 |
| Caps2: | 90 |
| Caps3: | 3 |
| Caps4: | 2 |
| Caps5: | 63 |
| Caps6: | 23 |
| Goals1: | −53 |
| Goals2: | −131 |
| Goals3: | −5 |
| Goals4: | −5 |
| Goals5: | −66 |
| Goals6: | −28 |
Serhiy Mykolayovych Velychko (Ukrainian: Сергій Миколайович Величко, born 9 August 1976 in Simferopol, Crimea, Ukrainian SSR) is a Ukrainian football goalkeeper who played for Vorskla Poltava in the Ukrainian Premier League.