| Saint-Fort | |
| Arrondissement: | Château-Gontier |
| Canton: | Azé |
| Insee: | 53215 |
| Postal Code: | 53200 |
| Commune: | Château-Gontier-sur-Mayenne |
| Coordinates: | 47.7983°N -0.7203°W |
| Elevation M: | 74 |
| Elevation Min M: | 22 |
| Elevation Max M: | 88 |
| Area Km2: | 10.79 |
| Population: | 1690 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Saint-Fort (in French pronounced as /sɛ̃ fɔʁ/) is a former commune in the Mayenne department in north-western France. On 1 January 2019, it was merged into the new commune Château-Gontier-sur-Mayenne.[2]