| La Mothe-Achard | |
| Image Coat Of Arms: | Blason ville fr La Mothe-Achard (Vendée).svg |
| Arrondissement: | Les Sables-d'Olonne |
| Canton: | Talmont-Saint-Hilaire |
| Commune: | Les Achards |
| Insee: | 85152 |
| Postal Code: | 85150 |
| Coordinates: | 46.6194°N -1.6578°W |
| Elevation Min M: | 17 |
| Elevation Max M: | 61 |
| Area Km2: | 8.73 |
| Population: | 3165 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
La Mothe-Achard (in French pronounced as /la mɔt aʃaʁ/) is a former commune in the Vendée department in the Pays de la Loire region in western France. On 1 January 2017, it was merged into the new commune Les Achards.[2]