| Vaïssac | |
| Commune Status: | Commune |
| Arrondissement: | Montauban |
| Canton: | Aveyron-Lère |
| Insee: | 82184 |
| Postal Code: | 82800 |
| Mayor: | Francis Delmas[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.0339°N 1.57°W |
| Elevation M: | 75 |
| Elevation Min M: | 99 |
| Elevation Max M: | 225 |
| Area Km2: | 37.21 |
Vaïssac (in French pronounced as /vajsak/; Occitan (post 1500);: Baissac) is a commune in the Tarn-et-Garonne department in the Occitanie region in southern France.