| Châtelain | |
| Commune Status: | Commune |
| Arrondissement: | Château-Gontier |
| Canton: | Château-Gontier-sur-Mayenne-1 |
| Mayor: | Rachel Français[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.8092°N -0.5944°W |
| Elevation M: | 84 |
| Elevation Min M: | 34 |
| Elevation Max M: | 91 |
| Area Km2: | 13.91 |
| Insee: | 53063 |
| Postal Code: | 53200 |
Châtelain (in French pronounced as /ʃatlɛ̃/) is a commune in the Mayenne department in north-western France.