| Granchain | |
| Image Coat Of Arms: | LIBERGE armoiries 1649.gif |
| Arrondissement: | Bernay |
| Canton: | Bernay |
| Insee: | 27296 |
| Postal Code: | 27410 |
| Commune: | Mesnil-en-Ouche |
| Coordinates: | 49.0411°N 0.6594°W |
| Elevation M: | 160 |
| Elevation Min M: | 144 |
| Elevation Max M: | 174 |
| Area Km2: | 8.12 |
| Population: | 222 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Granchain (in French pronounced as /ɡʁɑ̃ʃɛ̃/; before October 2008: Grandchain)[2] is a former commune in the Eure department in northern France. On 1 January 2016, it was merged into the new commune of Mesnil-en-Ouche.[3]