| Fontenay-en-Vexin | |
| Arrondissement: | Les Andelys |
| Canton: | Les Andelys |
| Insee: | 27255 |
| Postal Code: | 27510 |
| Commune: | Vexin-sur-Epte |
| Coordinates: | 49.2097°N 1.5706°W |
| Elevation M: | 105 |
| Elevation Min M: | 94 |
| Elevation Max M: | 146 |
| Area Km2: | 6.76 |
| Population: | 250 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Fontenay-en-Vexin (in French pronounced as /fɔ̃tnɛ ɑ̃ vɛksɛ̃/, literally Fontenay in Vexin; before 2015: Fontenay)[2] is a former commune in the Eure department in the Normandy region in northern France. On 1 January 2016, it was merged into the new commune of Vexin-sur-Epte.[3]