| Bénac | |
| Commune Status: | Commune |
| Arrondissement: | Foix |
| Canton: | Val d'Ariège |
| Insee: | 09049 |
| Postal Code: | 09000 |
| Mayor: | Paul Cayrol[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays Foix-Varilhes |
| Coordinates: | 42.9558°N 1.5325°W |
| Elevation M: | 550 |
| Elevation Min M: | 455 |
| Elevation Max M: | 920 |
| Area Km2: | 2.8 |
Bénac (in French pronounced as /benak/; Occitan (post 1500);: Benac) is a commune in the Ariège department of southwestern France.
Inhabitants of Bénac are called Bénacois.