| Duneau | |
| Commune Status: | Commune |
| Arrondissement: | Mamers |
| Canton: | La Ferté-Bernard |
| Insee: | 72122 |
| Postal Code: | 72160 |
| Mayor: | Joël Ciron[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC du Pays de l'Huisne Sarthoise |
| Coordinates: | 48.0692°N 0.5219°W |
| Elevation Min M: | 62 |
| Elevation Max M: | 133 |
| Area Km2: | 12.82 |
| Demonym: | Dunois, Dunoise |
Duneau (pronounced as /fr/) is a commune in the Sarthe department in the Pays de la Loire region in north-western France.