| Monestier | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Monestier (Dordogne).svg |
| Arrondissement: | Bergerac |
| Canton: | Sud-Bergeracois |
| Insee: | 24276 |
| Postal Code: | 24240 |
| Mayor: | Marie-Agnès Brouilleaud[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Bergeracoise |
| Coordinates: | 44.7742°N 0.3289°W |
| Elevation M: | 90 |
| Elevation Min M: | 41 |
| Elevation Max M: | 155 |
| Area Km2: | 17.75 |
Monestier (in French pronounced as /mɔnɛstje/; Occitan (post 1500);: Monestièr) is a commune in the Dordogne department in Nouvelle-Aquitaine in southwestern France.