| Prunay-en-Yvelines | |
| Commune Status: | Commune |
| Arrondissement: | Rambouillet |
| Canton: | Rambouillet |
| Insee: | 78506 |
| Postal Code: | 78660 |
| Mayor: | Jean-Pierre Malardeau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Rambouillet Territoires |
| Coordinates: | 48.5289°N 1.7961°W |
| Elevation M: | 150 |
| Elevation Min M: | 127 |
| Elevation Max M: | 164 |
| Area Km2: | 26.95 |
Prunay-en-Yvelines (in French pronounced as /pʁynɛ ɑ̃.n‿ivlin/) is a commune in the Yvelines department in the Île-de-France in north-central France.