Sergey Poltoratsky should not be confused with Serge Poltoratzky.
| Sergey Poltoratsky | |
| Birth Date: | 27 October 1947 |
| Birth Place: | Proskuriv, Ukrainian SSR, Soviet Union |
| Height: | 170 cm |
| Sport: | Weightlifting |
| Club: | Soviet Army Kiev |
Sergey Aleksandrovich Poltoratsky (Russian: Сергей Александрович Полторацкий, Ukrainian: Сергій Олександрович Полторацький, born 27 October 1947) is a retired Soviet heavyweight weightlifter. He won a world title in 1977, placing second in 1974 and 1975, and set two ratified world records, in 1970 and 1980. He competed at the 1976 Summer Olympics, but failed to complete the snatch event.