| L'Hermenault | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr l'Hermenault (Vendée).svg |
| Arrondissement: | Fontenay-le-Comte |
| Canton: | La Châtaigneraie |
| Insee: | 85110 |
| Postal Code: | 85570 |
| Mayor: | Yves Germain[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 46.5203°N -0.9003°W |
| Elevation Min M: | 22 |
| Elevation Max M: | 72 |
| Area Km2: | 11.42 |
L'Hermenault (in French pronounced as /lɛʁməno/) is a commune in the Vendée department in the Pays de la Loire region in western France.