| Mirepoix-sur-Tarn | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Mirepoix-sur-Tarn (Haute-Garonne).svg |
| Arrondissement: | Toulouse |
| Canton: | Villemur-sur-Tarn |
| Insee: | 31346 |
| Postal Code: | 31340 |
| Mayor: | Sonia Blanchard Essner[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Val'Aïgo |
| Coordinates: | 43.8142°N 1.5722°W |
| Elevation M: | 105 |
| Elevation Min M: | 85 |
| Elevation Max M: | 221 |
| Area Km2: | 5.46 |
Mirepoix-sur-Tarn (in French pronounced as /miʁpwa syʁ taʁn/; Occitan (post 1500);: Mirapeis de Tarn) is a commune in the Haute-Garonne department in southwestern France.