| Authou | |
| Commune Status: | Commune |
| Arrondissement: | Bernay |
| Canton: | Pont-Audemer |
| Insee: | 27028 |
| Postal Code: | 27290 |
| Mayor: | Jean-Luc Fournier[1] |
| Term: | 2022 - 2026 |
| Intercommunality: | CC Pont-Audemer Val de Risle |
| Coordinates: | 49.2319°N 0.6936°W |
| Elevation M: | 45 |
| Elevation Min M: | 43 |
| Elevation Max M: | 120 |
| Area Km2: | 2.96 |
Authou (in French pronounced as /otu/) is a commune in the Eure department in Normandy in northern France.