| Les Châtelliers-Châteaumur | |
| Image Coat Of Arms: | Blason Les Châtelliers-Châteaumur.svg |
| Arrondissement: | Fontenay-le-Comte |
| Canton: | Les Herbiers |
| Insee: | 85063 |
| Postal Code: | 85700 |
| Commune: | Sèvremont |
| Coordinates: | 46.8556°N -0.8186°W |
| Elevation Min M: | 134 |
| Elevation Max M: | 240 |
| Area Km2: | 18.13 |
| Population: | 777 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Les Châtelliers-Châteaumur (in French pronounced as /le ʃatəlje ʃatomyʁ/) is a former commune of the Vendée department in the Pays de la Loire region in western France. On 1 January 2016, it was merged into the new commune of Sèvremont.[2]