| Le Crouais | |
| Native Name: | (Gallo) |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Le Crouais (Ille-et-Vilaine).svg |
| Coordinates: | 48.2081°N -2.1372°W |
| Insee: | 35091 |
| Postal Code: | 35290 |
| Arrondissement: | Rennes |
| Canton: | Montauban-de-Bretagne |
| Mayor: | Daniel Chicoine[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Saint-Méen Montauban |
| Elevation Min M: | 77 |
| Elevation Max M: | 114 |
| Area Km2: | 6.25 |
Le Crouais (in French pronounced as /lə kʁuɛ/; Gallo: Le Qeróàez, Breton: Ar Groez) is a commune in the Ille-et-Vilaine department of Brittany in north-western France.
Inhabitants of Le Crouais are called in French Crouaisiens.