| Petit-Bersac | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Petit-Bersac 24.svg |
| Arrondissement: | Périgueux |
| Canton: | Ribérac |
| Insee: | 24323 |
| Postal Code: | 24600 |
| Mayor: | Gilles Mercier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Périgord Ribéracois |
| Coordinates: | 45.2892°N 0.2328°W |
| Elevation M: | 55 |
| Elevation Min M: | 43 |
| Elevation Max M: | 118 |
| Area Km2: | 10.83 |
Petit-Bersac (in French pronounced as /pəti bɛʁsak/; Occitan (post 1500);: Pitit Braçac) is a commune in the Dordogne department in Nouvelle-Aquitaine in southwestern France.