| Saint-Aignan | |
| Commune Status: | Commune |
| Arrondissement: | Mamers |
| Canton: | Mamers |
| Insee: | 72265 |
| Postal Code: | 72110 |
| Mayor: | Éric De Vilmarest[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Maine Saosnois |
| Coordinates: | 48.2167°N 0.35°W |
| Area Km2: | 15.13 |
| Demonym: | Saint-Aignanais, Saint-Aignanaise |
Saint-Aignan (in French pronounced as /sɛ̃.t‿ɛɲɑ̃/) is a commune in the Sarthe department in the region of Pays de la Loire in north-western France.