| Courdemanche | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Courdemanche (Sarthe).svg |
| Arrondissement: | La Flèche |
| Canton: | Montval-sur-Loir |
| Insee: | 72103 |
| Postal Code: | 72150 |
| Mayor: | Francis Boussion[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Loir-Lucé-Bercé |
| Coordinates: | 47.8167°N 0.5667°W |
| Elevation Min M: | 53 |
| Elevation Max M: | 137 |
| Area Km2: | 24.02 |
| Demonym: | Courdemanchois, Courdemanchoise |
Courdemanche (in French pronounced as /kuʁdəmɑ̃ʃ/) is a commune in the Sarthe department in the Pays de la Loire region in north-western France.