| Le Mesnil-Benoist | |
| Arrondissement: | Vire |
| Canton: | Vire Normandie |
| Insee: | 14415 |
| Postal Code: | 14380 |
| Commune: | Noues de Sienne |
| Coordinates: | 48.8678°N -0.9836°W |
| Elevation M: | 121 |
| Elevation Min M: | 87 |
| Elevation Max M: | 167 |
| Area Km2: | 2.62 |
| Population: | 50 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Le Mesnil-Benoist (in French pronounced as /lə mɛnil bənwa/) is a former commune in the Calvados department in the Normandy region in northwestern France. On 1 January 2017, it was merged into the new commune Noues de Sienne.[2]