| Montgermont | |
| Native Name: | (Gallo) |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Montgermont (Ille-et-Vilaine).svg |
| Coordinates: | 48.1575°N -1.715°W |
| Insee: | 35189 |
| Postal Code: | 35760 |
| Arrondissement: | Rennes |
| Canton: | Betton |
| Mayor: | Laurent Prize[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Rennes Métropole |
| Elevation Min M: | 34 |
| Elevation Max M: | 62 |
| Area Km2: | 4.67 |
Montgermont (in French pronounced as /mɔ̃ʒɛʁmɔ̃/;, Gallo: Monjèrmont) is a commune in the Ille-et-Vilaine department of Brittany in northwestern France.
Inhabitants of Montgermont are called in French Montgermontais.