| Martigny | |
| Arrondissement: | Avranches |
| Canton: | Saint-Hilaire-du-Harcouët |
| Insee: | 50293 |
| Postal Code: | 50600 |
| Commune: | Grandparigny |
| Coordinates: | 48.6153°N -1.1042°W |
| Elevation M: | 120 |
| Elevation Min M: | 69 |
| Elevation Max M: | 131 |
| Area Km2: | 8.89 |
| Population: | 276 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Martigny (in French pronounced as /maʁtiɲi/) is a former commune in the Manche department in Normandy in north-western France. On 1 January 2016, it was merged into the new commune of Grandparigny.[2]