| Gambais | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Gambais (Yvelines).svg |
| Arrondissement: | Rambouillet |
| Canton: | Aubergenville |
| Insee: | 78263 |
| Postal Code: | 78950 |
| Mayor: | Raphaël Nivoit[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.7739°N 1.6739°W |
| Elevation Min M: | 94 |
| Elevation Max M: | 182 |
| Area Km2: | 23.02 |
Gambais (pronounced as /fr/) is a commune in the Yvelines department in the Île-de-France region in north-central France. The commune is 58 km west from the center of Paris.