| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Marsanne (Drôme).svg |
| Marsanne | |
| Arrondissement: | Nyons |
| Canton: | Dieulefit |
| Insee: | 26176 |
| Postal Code: | 26740 |
| Mayor: | Damien Lagier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Montélimar Agglomération |
| Coordinates: | 44.6444°N 4.8736°W |
| Elevation M: | 309 |
| Elevation Min M: | 140 |
| Elevation Max M: | 586 |
| Area Km2: | 34.29 |
Marsanne (pronounced as /fr/; Vivaro-Alpine: Marçana) is a commune in the Drôme department in southeastern France.
It was the birthplace of Émile Loubet (1838–1929), 7th president of the French republic.