| Montbrun-les-Bains | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blaso ville FR Montbrun Les Bains (Drôme).svg |
| Arrondissement: | Nyons |
| Canton: | Nyons et Baronnies |
| Insee: | 26193 |
| Postal Code: | 26570 |
| Mayor: | Didier Gillet[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.1761°N 5.4436°W |
| Elevation Min M: | 568 |
| Elevation Max M: | 1362 |
| Area Km2: | 33.26 |
Montbrun-les-Bains (pronounced as /fr/; oc|Montbrun) is a commune in the Drôme department in southeastern France. It is a member of Les Plus Beaux Villages de France (The Most Beautiful Villages of France) Association.
The commune is well known for its spa treatments for managing respiratory disease and other medical disorders. The village is also very popular with cyclists, with cycle routes leading to the popular Mont Ventoux.