| Syarhey Kavalchuk | |
| Birth Date: | 1978 10, df=y |
| Position: | Defender |
| Years1: | 1997–2003 |
| Years2: | 2004–2005 |
| Years3: | 2005–2010 |
| Years4: | 2011–2012 |
| Years5: | 2013–2014 |
| Years6: | 2015 |
| Clubs4: | Slavia-Mozyr |
| Clubs5: | Smorgon |
| Clubs6: | Krumkachy Minsk |
| Caps1: | 161 |
| Caps2: | 31 |
| Caps3: | 116 |
| Caps4: | 45 |
| Caps5: | 52 |
| Caps6: | 29 |
| Goals1: | 31 |
| Goals2: | 2 |
| Goals3: | 13 |
| Goals4: | 4 |
| Goals5: | 0 |
| Goals6: | 2 |
| Nationalyears1: | 1998–1999 |
| Nationalteam1: | Belarus U21 |
| Nationalcaps1: | 6 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2003 |
| Nationalteam2: | Belarus |
| Nationalcaps2: | 3 |
| Nationalgoals2: | 0 |
| Pcupdate: | 4 December 2015 |
| Ntupdate: | 1 June 2004 |
Syarhey Kavalchuk (Belarusian: Сяргей Кавальчук; Russian: Серге́й Владимирович Ковальчук; born 9 October 1978) is a retired Belarusian professional footballer. His latest club was Krumkachy Minsk in 2015.
Dinamo Minsk
Shakhtyor Soligorsk