| Quinsac | |
| Commune Status: | Commune |
| Arrondissement: | Nontron |
| Canton: | Brantôme en Périgord |
| Insee: | 24346 |
| Postal Code: | 24530 |
| Mayor: | Michel Dubreuil[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.4303°N 0.7064°W |
| Elevation M: | 120 |
| Elevation Min M: | 115 |
| Elevation Max M: | 230 |
| Area Km2: | 17.37 |
Quinsac (in French pronounced as /kɛ̃sak/; Occitan (post 1500);: Quinçac) is a commune in the Dordogne department in Nouvelle-Aquitaine in southwestern France.