| Saint-Ouen-d'Attez | |
| Arrondissement: | Bernay |
| Canton: | Breteuil |
| Insee: | 27578 |
| Postal Code: | 27160 |
| Commune: | Sainte-Marie-d'Attez |
| Coordinates: | 48.8036°N 0.955°W |
| Elevation M: | 200 |
| Elevation Min M: | 155 |
| Elevation Max M: | 181 |
| Area Km2: | 9.5 |
| Population: | 319 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Saint-Ouen-d'Attez (in French pronounced as /sɛ̃.t‿wɛ̃ date/) is a former commune in the Eure department in Normandy in northern France. On 1 January 2016, it was merged into the new commune of Sainte-Marie-d'Attez.[2]