Le Chesnay-Rocquencourt (French pronunciation: [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.[4]