| Roussas | |
| Commune Status: | Commune |
| Arrondissement: | Nyons |
| Canton: | Grignan |
| Insee: | 26284 |
| Postal Code: | 26230 |
| Mayor: | Christiane Robert[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.4317°N 4.8025°W |
| Elevation M: | 182 |
| Elevation Min M: | 83 |
| Elevation Max M: | 390 |
| Area Km2: | 16.07 |
Roussas is a commune in the Drôme department in southeastern France.