| Birth Date: | August 16, 1972 |
| Birth Place: | Vitebsk, Byelorussian SSR, USSR |
Sergey Lavrenov (ru|Сергей Лавренов; born August 16, 1972) is a retired weightlifter from Belarus, who competed in the men's lightweight class weight ( - 69 kg) at the 2000 Summer Olympics and won a bronze medal. He also competed at the 2004 Summer Olympics in Athens, Greece.