| Le Chesnay-Rocquencourt | |
| Commune Status: | Commune |
| Coordinates: | 48.8211°N 2.1311°W |
| Arrondissement: | Versailles |
| Canton: | Le Chesnay-Rocquencourt |
| Insee: | 78158 |
| Postal Code: | 78150 |
| Mayor: | Richard Delepierre[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Versailles Grand Parc |
| Elevation M: | 145 |
| Elevation Min M: | 113 |
| Elevation Max M: | 179 |
| Area Km2: | 7.02 |
| Demonym: | Chesnaycourtois (masculine) Chesnaycourtoise (feminine)[2] |
Le Chesnay-Rocquencourt (in French pronounced as /lə ʃɛnɛ ʁɔkɑ̃kuʁ/) is a commune in the western suburbs of Paris, in the department of Yvelines.
It was established on 1 January 2019 from the amalgamation of the communes of Le Chesnay and Rocquencourt.[3]