| Image Flag: | Flag of Saint-Lambert, Yvelines.gif |
| Saint-Lambert | |
| Commune Status: | Commune |
| Arrondissement: | Rambouillet |
| Canton: | Maurepas |
| Insee: | 78561 |
| Postal Code: | 78470 |
| Mayor: | Olivier Bedouelle[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.7325°N 2.0217°W |
| Elevation M: | 106 |
| Elevation Min M: | 95 |
| Elevation Max M: | 169 |
| Area Km2: | 6.61 |
Saint-Lambert (in French pronounced as /sɛ̃ lɑ̃bɛʁ/) is a commune in the Yvelines department in the Île-de-France in north-central France.