| Geffosses | |
| Commune Status: | Commune |
| Arrondissement: | Coutances |
| Canton: | Agon-Coutainville |
| Insee: | 50198 |
| Postal Code: | 50560 |
| Mayor: | Michel Neveu[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 49.1319°N -1.5578°W |
| Elevation M: | 21 |
| Elevation Min M: | 2 |
| Elevation Max M: | 39 |
| Area Km2: | 15.07 |
Geffosses (pronounced as /fr/) is a commune in the Manche department in north-western France.