| Olga Manzhuk | |
| Birth Date: | 1983 2, df=yes |
| Birth Place: | Malaryta, Soviet Union (now Belarus) |
| Height: | 1.75 m |
| Position: | Midfielder |
| Currentclub: | Bobruichanka |
| Years1: | 2010-2019 |
| Clubs1: | Bobruichanka |
| Caps1: | 141 |
| Goals1: | 44 |
| Nationalteam1: | Belarus U18 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Nationalteam2: | Belarus U19 |
| Nationalcaps2: | 3 |
| Nationalgoals2: | 2 |
| Nationalyears3: | 2009–2013 |
| Nationalteam3: | Belarus |
| Nationalcaps3: | 9 |
| Nationalgoals3: | 0 |
| Pcupdate: | 3 November 2019 |
| Ntupdate: | 26 October 2013 |
Olga Manzhuk (born 1 February 1983) is a Belarusian footballer who plays as a midfielder for Belarusian Premier League club Bobruichanka Bobruisk. She has been a member of the Belarus women's national team.