| Sergey Fedorchuk | |
|---|---|
 | |
| Country | Ukraine |
| Born | 14 March 1981 Vinnytsia, Ukrainian SSR, Soviet Union |
| Title | Grandmaster (2002) |
| FIDE rating | 2565 (October 2024) |
| Peak rating | 2674 (November 2010) |
| Peak ranking | No. 51 (April 2008) |
Sergey Fedorchuk (Ukrainian: Сергій Федорчук, romanized: Serhiy Fedorchuk; born 14 March 1981) is a Ukrainian chess player. He was awarded the title of Grandmaster by FIDE in 2002.