| Saint-Denis-la-Chevasse | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Saint-Denis-la-Chevasse.svg |
| Arrondissement: | La Roche-sur-Yon |
| Canton: | Aizenay |
| Insee: | 85208 |
| Postal Code: | 85170 |
| Mayor: | Mireille Hermouet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Vie et Boulogne |
| Coordinates: | 46.8231°N -1.3569°W |
| Elevation Min M: | 43 |
| Elevation Max M: | 88 |
| Area Km2: | 39.47 |
Saint-Denis-la-Chevasse (in French pronounced as /sɛ̃ dəni la ʃəvas/) is a commune in the Vendée department in the Pays de la Loire region in western France.