| Saint-Avit | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Avit (Tarn).svg |
| Arrondissement: | Castres |
| Canton: | La Montagne noire |
| Insee: | 81242 |
| Postal Code: | 81110 |
| Mayor: | Guillaume Jeay[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC du Sor et de l'Agout |
| Coordinates: | 43.5167°N 2.1122°W |
| Elevation M: | 180 |
| Elevation Min M: | 177 |
| Elevation Max M: | 237 |
| Area Km2: | 4.86 |
Saint-Avit is a commune in the Tarn department in southern France.