| Mazères-sur-Salat | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Gaudens |
| Canton: | Bagnères-de-Luchon |
| Insee: | 31336 |
| Postal Code: | 31260 |
| Mayor: | Albert Cigagna[1] |
| Term: | 2023 - 2026 |
| Intercommunality: | Cagire Garonne Salat |
| Coordinates: | 43.1342°N 0.9742°W |
| Elevation M: | 303 |
| Elevation Min M: | 265 |
| Elevation Max M: | 375 |
| Area Km2: | 6.68 |
Mazères-sur-Salat (in French pronounced as /mazɛʁ syʁ salat/, literally Mazères on Salat; Occitan (post 1500);: Maseras de Salat) is a commune in the Haute-Garonne department in southwestern France.