| Montclar-sur-Gervanne | |
| Commune Status: | Commune |
| Arrondissement: | Die |
| Canton: | Crest |
| Insee: | 26195 |
| Postal Code: | 26400 |
| Mayor: | Laurent Sayn[1] |
| Term: | 2021 - 2026 |
| Intercommunality: | Val de Drôme en Biovallée |
| Coordinates: | 44.7483°N 5.1442°W |
| Elevation Min M: | 239 |
| Elevation Max M: | 836 |
| Area Km2: | 29.63 |
Montclar-sur-Gervanne (in French pronounced as /mɔ̃klaʁ syʁ ʒɛʁvan/; Occitan (post 1500);: Montclar de Gervana) is a commune in the Drôme department in southeastern France.