| Bellavilliers | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Bellavilliers 61.svg |
| Arrondissement: | Mortagne-au-Perche |
| Canton: | Mortagne-au-Perche |
| Insee: | 61037 |
| Postal Code: | 61360 |
| Mayor: | Vincent Lavoissière[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.4242°N 0.4986°W |
| Elevation M: | 210 |
| Elevation Min M: | 159 |
| Elevation Max M: | 222 |
| Area Km2: | 15.73 |
Bellavilliers (in French pronounced as /bɛlavilje/) is a commune in the Orne department in northwestern France.