| La Forêt-le-Roi | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr La Forêt-le-Roi (Essonne).svg |
| Coordinates: | 48.4796°N 2.0432°W |
| Insee: | 91247 |
| Postal Code: | 91410 |
| Arrondissement: | Étampes |
| Canton: | Dourdan |
| Intercommunality: | Le Dourdannais en Hurepoix |
| Mayor: | Marie-Ange Gangnebien[1] |
| Term: | 2023 - 2026 |
| Elevation Min M: | 108 |
| Elevation Max M: | 156 |
| Area Km2: | 7.94 |
La Forêt-le-Roi (pronounced as /fr/) is a commune in the Essonne department in Île-de-France in northern France.
Inhabitants of La Forêt-le-Roi are known as Forestains.