| Grandvilliers | |
| Arrondissement: | Bernay |
| Canton: | Verneuil-sur-Avre |
| Insee: | 27297 |
| Postal Code: | 27240 |
| Commune: | Mesnils-sur-Iton |
| Coordinates: | 48.8153°N 1.0617°W |
| Elevation M: | 180 |
| Elevation Min M: | 150 |
| Elevation Max M: | 179 |
| Area Km2: | 17.66 |
| Population: | 322 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Grandvilliers is a former commune in the Eure department in north-western France. On 1 January 2019, it was merged into the commune Mesnils-sur-Iton.[2]