| Blan | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Blan (Tarn).svg |
| Arrondissement: | Castres |
| Canton: | Le Pastel |
| Insee: | 81032 |
| Postal Code: | 81700 |
| Mayor: | Jean Louis Barreau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Lauragais-Revel-Sorezois |
| Coordinates: | 43.5278°N 2.0089°W |
| Elevation M: | 195 |
| Elevation Min M: | 175 |
| Elevation Max M: | 232 |
| Area Km2: | 13.3 |
Blan (in French pronounced as /blɑ̃/) is a commune in the Tarn department in southern France.