| Authon-du-Perche | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason_ville_fr_Authon-du-Perche (28).svg |
| Arrondissement: | Nogent-le-Rotrou |
| Canton: | Brou |
| Insee: | 28018 |
| Postal Code: | 28330 |
| Mayor: | Eric Girondeau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Perche |
| Coordinates: | 48.1964°N 0.8933°W |
| Elevation Min M: | 162 |
| Elevation Max M: | 267 |
| Area Km2: | 34.82 |
Authon-du-Perche (in French pronounced as /otɔ̃ dy pɛʁʃ/, literally Authon of the Perche) is a commune in the Eure-et-Loir department in northern France. On 1 January 2019, the former commune Soizé was merged into Authon-du-Perche.[2] The source of the river Braye is near the commune.
Population data refer to the commune in its geography as of January 2023.