| Moustier | |
| Commune Status: | Commune |
| Arrondissement: | Marmande |
| Canton: | Les Coteaux de Guyenne |
| Insee: | 47194 |
| Postal Code: | 47800 |
| Mayor: | Claudine Eon[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Pays de Lauzun |
| Coordinates: | 44.6367°N 0.3°W |
| Elevation M: | 42 |
| Elevation Min M: | 35 |
| Elevation Max M: | 113 |
| Area Km2: | 8.33 |
Moustier (in French pronounced as /mustje/; Occitan (post 1500);: Mostièr) is a commune in the Lot-et-Garonne department in south-western France.