| Briis-sous-Forges | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Briis-sous-Forges.svg |
| Coordinates: | 48.6247°N 2.1241°W |
| Insee: | 91111 |
| Postal Code: | 91640 |
| Arrondissement: | Palaiseau |
| Canton: | Dourdan |
| Intercommunality: | Pays de Limours |
| Mayor: | Emmanuel Dassa[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 87 |
| Elevation Max M: | 173 |
| Area Km2: | 10.86 |
Briis-sous-Forges (in French pronounced as /bʁi su fɔʁʒ/, literally Briis under Forges) is a commune in the Essonne department and Île-de-France region of north-central France.
The inhabitants of Briis-sous-Forges are known in French as les Briissois.