| Le Gast | |
| Arrondissement: | Vire |
| Canton: | Vire Normandie |
| Insee: | 14296 |
| Postal Code: | 14380 |
| Commune: | Noues de Sienne |
| Coordinates: | 48.7967°N -1.075°W |
| Elevation M: | 220 |
| Elevation Min M: | 202 |
| Elevation Max M: | 347 |
| Area Km2: | 12.74 |
| Population: | 168 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Le Gast (in French pronounced as /lə ɡa/) 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]