| Lengronne | |
| Commune Status: | Commune |
| Arrondissement: | Coutances |
| Canton: | Quettreville-sur-Sienne |
| Insee: | 50266 |
| Postal Code: | 50450 |
| Mayor: | Sonia Larbi[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Coutances Mer et Bocage |
| Coordinates: | 48.9344°N -1.3811°W |
| Elevation M: | 111 |
| Elevation Min M: | 35 |
| Elevation Max M: | 119 |
| Area Km2: | 12.07 |
Lengronne (pronounced as /fr/) is a commune in the Manche department in north-western France.