| Langouet | |
| Native Name: | (Gallo) |
| Commune Status: | Commune |
| Coordinates: | 48.2506°N -1.8219°W |
| Insee: | 35146 |
| Postal Code: | 35630 |
| Arrondissement: | Rennes |
| Canton: | Melesse |
| Mayor: | Jean-Luc Dubois[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Val d'Ille-Aubigné |
| Elevation Min M: | 71 |
| Elevation Max M: | 121 |
| Area Km2: | 6.99 |
Langouet (in French pronounced as /lɑ̃ɡwɛt/; Gallo: Langouët,) is a commune in the Ille-et-Vilaine department of Brittany in northwestern France.
Inhabitants of Langouet are called Langouëtiens in French.