| Birac | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Birac (Gironde).svg |
| Arrondissement: | Langon |
| Canton: | Le Sud-Gironde |
| Insee: | 33053 |
| Postal Code: | 33430 |
| Mayor: | Jean-Pierre Manseau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Bazadais |
| Coordinates: | 44.4186°N -0.1361°W |
| Elevation M: | 130 |
| Elevation Min M: | 48 |
| Elevation Max M: | 135 |
| Area Km2: | 10.17 |
Birac (in French pronounced as /biʁak/) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.