| Sainte-Euphémie-sur-Ouvèze | |
| Commune Status: | Commune |
| Arrondissement: | Nyons |
| Canton: | Nyons et Baronnies |
| Insee: | 26303 |
| Postal Code: | 26170 |
| Mayor: | Muriel Brédy[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.3°N 5.3°W |
| Elevation M: | 565 |
| Elevation Min M: | 528 |
| Elevation Max M: | 1218 |
| Area Km2: | 11.28 |
Sainte-Euphémie-sur-Ouvèze (in French pronounced as /sɛ̃t øfemi syʁ uvɛz/, literally Sainte-Euphémie on Ouvèze; Occitan (post 1500);: Sant Aufèmie d'Ovèsa) is a commune in the Drôme department in southeastern France.