| Mézières-en-Vexin | |
| Commune Status: | Commune |
| Arrondissement: | Les Andelys |
| Canton: | Les Andelys |
| Insee: | 27408 |
| Postal Code: | 27510 |
| Mayor: | Hubert Pineau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Seine Normandie Agglomération |
| Coordinates: | 49.1711°N 1.5061°W |
| Elevation Min M: | 60 |
| Elevation Max M: | 162 |
| Area Km2: | 12.7 |
Mézières-en-Vexin (in French pronounced as /mezjɛʁ ɑ̃ vɛksɛ̃/, literally Mézières in Vexin) is a commune in the Eure department and Normandy region of France.