| Les Granges-le-Roi | |
| Commune Status: | Commune |
| Coordinates: | 48.5039°N 2.0217°W |
| Insee: | 91284 |
| Postal Code: | 91410 |
| Arrondissement: | Étampes |
| Canton: | Dourdan |
| Intercommunality: | Le Dourdannais en Hurepoix |
| Mayor: | Pierre Vallée[1] |
| Term: | 2021 - 2026 |
| Elevation Min M: | 97 |
| Elevation Max M: | 158 |
| Area Km2: | 12.68 |
Les Granges-le-Roi (in French pronounced as /le ɡʁɑ̃ʒ lə ʁwa/) is a commune in the Essonne department in Île-de-France in northern France.
Inhabitants of Les Granges-le-Roi are known as Grangeois.