| Saint-Clair | |
| Commune Status: | Commune |
| Arrondissement: | Châtellerault |
| Canton: | Loudun |
| Insee: | 86218 |
| Postal Code: | 86330 |
| Mayor: | Dominique Brunet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays Loudunais |
| Coordinates: | 46.8817°N 0.0639°W |
| Elevation M: | 75 |
| Elevation Min M: | 57 |
| Elevation Max M: | 82 |
| Area Km2: | 10.67 |
Saint-Clair (pronounced as /fr/) is a commune in the Vienne department in the Nouvelle-Aquitaine region in western France.