| Saint-Denis-des-Coudrais | |
| Commune Status: | Commune |
| Arrondissement: | Mamers |
| Canton: | La Ferté-Bernard |
| Insee: | 72277 |
| Postal Code: | 72110 |
| Mayor: | Jean-Yves Hermeline[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays de l'Huisne Sarthoise |
| Coordinates: | 48.1511°N 0.5078°W |
| Elevation Min M: | 97 |
| Elevation Max M: | 165 |
| Area Km2: | 7 |
| Demonym: | Dionysien, Dionysienne |
Saint-Denis-des-Coudrais (in French pronounced as /sɛ̃ dəni de kudʁɛ/) is a commune in the Sarthe department in the region of Pays de la Loire in north-western France.