| La Roche-sur-le-Buis | |
| Commune Status: | Commune |
| Arrondissement: | Nyons |
| Canton: | Nyons et Baronnies |
| Insee: | 26278 |
| Postal Code: | 26170 |
| Mayor: | Michel Grégoire[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.2778°N 5.3128°W |
| Elevation M: | 638 |
| Elevation Min M: | 394 |
| Elevation Max M: | 1369 |
| Area Km2: | 27.72 |
La Roche-sur-le-Buis (in French pronounced as /la ʁɔʃ syʁ lə bɥi/, literally La Roche on the Buis; Occitan (post 1500);: La Ròcha dau Bois) is a commune in the Drôme department in southeastern France.