| Piotr Byhadzin | |
| Birth Date: | 24 August 1949 |
| Birth Place: | Moładava, Byelorussian SSR, Soviet Union |
| Death Place: | Minsk, Belarus |
| Nationality: | Belarusian |
| Occupation: | Historian |
| Party: | CPSU (until 1991) |
| Term Start: | 2001 |
| Term End: | 2003 |
| Successor: | Alexander Radkov |
Piotr Bryhadzin (Belarusian: Пётр Іванавіч Брыгадзін; 24 August 1949 – 12 December 2021) was a Belarusian politician and historian.[1] He served as from 2001 to 2003.