| Beauvoir-sur-Mer | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Beauvoir-sur-Mer (Vendée).svg |
| Arrondissement: | Les Sables-d'Olonne |
| Canton: | Saint-Jean-de-Monts |
| Insee: | 85018 |
| Postal Code: | 85230 |
| Mayor: | Jean-Yves Billon[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Challans-Gois |
| Coordinates: | 46.9169°N -2.0414°W |
| Elevation Min M: | 0 |
| Elevation Max M: | 26 |
| Area Km2: | 35.19 |
Beauvoir-sur-Mer (pronounced as /fr/, literally Beauvoir on Sea) is a commune in the Vendée department in the administrative region of the Pays de la Loire, France.