| Mercey | |
| Commune Status: | Commune |
| Arrondissement: | Les Andelys |
| Canton: | Pacy-sur-Eure |
| Insee: | 27399 |
| Postal Code: | 27950 |
| Mayor: | Yves Deraëve[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Seine Normandie Agglomération |
| Coordinates: | 49.0806°N 1.3939°W |
| Elevation M: | 142 |
| Elevation Min M: | 109 |
| Elevation Max M: | 146 |
| Area Km2: | 3.5 |
Mercey (in French pronounced as /mɛʁsɛ/) is a commune in the Eure department in Normandy in northern France.