| Romagny-Fontenay | |
| Commune Status: | Commune |
| Arrondissement: | Avranches |
| Canton: | Le Mortainais |
| Insee: | 50436 |
| Postal Code: | 50140 |
| Intercommunality: | CA Mont-Saint-Michel-Normandie |
| Coordinates: | 48.64°N -0.965°W |
| Area Km2: | 36.31 |
Romagny-Fontenay (in French pronounced as /ʁɔmaɲi fɔ̃tnɛ/) is a commune in the department of Manche, northwestern France. The municipality was established on 1 January 2016 by merger of the former communes of Romagny and Fontenay.[1]