| Vensac | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason vensac.jpg |
| Arrondissement: | Lesparre-Médoc |
| Canton: | Le Nord-Médoc |
| Insee: | 33541 |
| Postal Code: | 33590 |
| Mayor: | Jean-Luc Piquemal[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.3989°N -1.04°W |
| Elevation M: | 4 |
| Elevation Min M: | 0 |
| Elevation Max M: | 30 |
| Area Km2: | 34 |
Vensac (in French pronounced as /vɛ̃sak/; Occitan (post 1500);: Vençac) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.