| Fontenay | |
| Arrondissement: | Avranches |
| Canton: | Le Mortainais |
| Insee: | 50189 |
| Postal Code: | 50140 |
| Commune: | Romagny-Fontenay |
| Coordinates: | 48.6292°N -1.0289°W |
| Elevation M: | 100 |
| Elevation Min M: | 78 |
| Elevation Max M: | 139 |
| Area Km2: | 6.85 |
| Population: | 313 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Fontenay (in French pronounced as /fɔ̃tnɛ/) is a former commune in the Manche department in north-western France. On 1 January 2016, it was merged into the new commune of Romagny-Fontenay.[2]