| Marek Doronin | |
| Position: | Small forward |
| Height Ft: | 6 |
| Height In: | 6.75 |
| Weight Lbs: | 212 |
| League: | Korvpalli Meistriliiga Baltic Basketball League FIBA Europe Cup |
| Team: | Tartu Ülikool/Rock |
| Number: | 11 |
| Nationality: | Estonian |
| Birth Date: | 9 January 1983 |
| Birth Place: | Tartu, Estonia |
| Draft: | Undrafted |
| Career Start: | 1998 |
| Career End: | 2016 |
Marek Doronin (born 9 January 1983) is an Estonian professional basketball player. He has played his whole career in Tartu Ülikool/Rock.