| Rottier | |
| Commune Status: | Commune |
| Arrondissement: | Die |
| Canton: | Le Diois |
| Insee: | 26283 |
| Postal Code: | 26470 |
| Mayor: | Jean-Pierre Brachet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Diois |
| Coordinates: | 44.4753°N 5.4136°W |
| Elevation M: | 772 |
| Elevation Min M: | 562 |
| Elevation Max M: | 1174 |
| Area Km2: | 8.54 |
Rottier (in French pronounced as /ʁɔtje/) is a commune in the Drôme department in southeastern France.