| Sergej Charin | |
| Nationality: | Slovak |
| Sport: | Water polo |
| Birth Date: | 17 November 1963 |
| Birth Place: | Lviv, Ukrainian SSR, Soviet Union |
Sergej Charin (born 17 November 1963) is a Slovak water polo player. He competed in the men's tournament at the 2000 Summer Olympics.[1]