| Saint-Martin-des-Monts | |
| Commune Status: | Commune |
| Arrondissement: | Mamers |
| Canton: | La Ferté-Bernard |
| Insee: | 72302 |
| Postal Code: | 72400 |
| Mayor: | Patricia Edet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays de l'Huisne Sarthoise |
| Coordinates: | 48.1492°N 0.5961°W |
| Elevation Min M: | 75 |
| Elevation Max M: | 139 |
| Area Km2: | 5.72 |
Saint-Martin-des-Monts (pronounced as /fr/) is a commune in the Sarthe department in the region of Pays de la Loire in north-western France.