| Saint-Pierre-sur-Doux | |
| Commune Status: | Commune |
| Arrondissement: | Tournon-sur-Rhône |
| Canton: | Haut-Vivarais |
| Insee: | 07285 |
| Postal Code: | 07520 |
| Mayor: | Sébastien Bouillot[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Val d'Ay |
| Coordinates: | 45.1214°N 4.4653°W |
| Elevation M: | 880 |
| Elevation Min M: | 660 |
| Elevation Max M: | 1325 |
| Area Km2: | 21.19 |
Saint-Pierre-sur-Doux (in French pronounced as /sɛ̃ pjɛʁ syʁ du/, literally Saint-Pierre on Doux; Vivaro-Alpine: Sant Pèire) is a commune in the Ardèche department in southern France. It lies on the river Doux.