| Le Mesnil-au-Val | |
| Commune Status: | Commune |
| Arrondissement: | Cherbourg |
| Canton: | Cherbourg-en-Cotentin-5 |
| Insee: | 50305 |
| Postal Code: | 50110 |
| Mayor: | Évelyne Mouchel Dit Simon[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Cotentin |
| Coordinates: | 49.6072°N -1.5233°W |
| Elevation M: | 109 |
| Elevation Min M: | 73 |
| Elevation Max M: | 178 |
| Area Km2: | 13.34 |
Le Mesnil-au-Val (in French pronounced as /lə menil o val/) is a commune in the Manche department in Normandy in north-western France.