| Gensac | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Gensac 33.svg |
| Arrondissement: | Libourne |
| Canton: | Les Coteaux de Dordogne |
| Insee: | 33186 |
| Postal Code: | 33890 |
| Mayor: | Patrice Pauletto[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Castillon Pujols |
| Coordinates: | 44.8067°N 0.0736°W |
| Elevation M: | 70 |
| Elevation Min M: | 15 |
| Elevation Max M: | 115 |
| Area Km2: | 9.38 |
Gensac is a commune in the Gironde department in southwestern France.