Les Mesnuls (French pronunciation: [le mɛnyl]) is a commune in the Yvelines department in the Île-de-France region in north-central France.

It is located in the south-western suburbs of Paris 16 km (9.9 mi) north of Rambouillet, in the canton of Aubergenville.

The place was called Ménil until the 13th century, before becoming Les Mesnils, then Les Mesnuls.

The name derives from Latin mansionile, meaning a small mansio, or dwelling

This Yvelines geographical article is a stub.