| Sergei Kvasov | |
| Fullname: | Sergei Vladimirovich Kvasov |
| Birth Date: | 11 June 1983 |
| Position: | Midfielder |
| Years1: | 2000–2002 |
| Clubs1: | FC Khimik Dzerzhinsk |
| Caps1: | 23 |
| Goals1: | 1 |
| Years2: | 2003 |
| Clubs2: | FC Energetik Uren |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 2006–2007 |
| Clubs3: | FC Khimik Dzerzhinsk (amateur) |
| Years4: | 2008–2009 |
| Clubs4: | FC Khimik Dzerzhinsk |
| Caps4: | 57 |
| Goals4: | 10 |
| Years5: | 2010–2012 |
| Caps5: | 66 |
| Goals5: | 0 |
| Years6: | 2012–2016 |
| Clubs6: | FC Khimik Dzerzhinsk |
| Caps6: | 104 |
| Goals6: | 7 |
Sergei Vladimirovich Kvasov (Russian: Серге́й Владимирович Квасов; born 11 June 1983) is a former Russian professional football player.
He played 4 seasons in the Russian Football National League for FC Nizhny Novgorod and FC Khimik Dzerzhinsk.