| Saint-Martin-Lars-en-Sainte-Hermine | |
| Commune Status: | Commune |
| Arrondissement: | Fontenay-le-Comte |
| Canton: | La Châtaigneraie |
| Insee: | 85248 |
| Postal Code: | 85210 |
| Mayor: | Joseph-Marie Alletru[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 46.5922°N -0.9797°W |
| Elevation Min M: | 37 |
| Elevation Max M: | 118 |
| Area Km2: | 18.81 |
Saint-Martin-Lars-en-Sainte-Hermine (in French pronounced as /sɛ̃ maʁtɛ̃ laʁ ɑ̃ sɛ̃t ɛʁmin/) is a commune in the Vendée department in the Pays de la Loire region in western France.