Voisins-le-Bretonneux (French pronunciation: [vwazɛ̃ lə bʁətɔnø] ⓘ) 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 24.1 km (15.0 mi) from the centre in the new town of Saint-Quentin-en-Yvelines.

Voisins-le-Bretonneux has no Paris Métro, RER, or suburban rail station.

The closest station to Voisins-le-Bretonneux is Saint-Quentin-en-Yvelines–Montigny-le-Bretonneux station on Paris RER line C, on the Transilien La Défense suburban rail line, and on the Transilien Paris – Montparnasse suburban rail line.

This station is located in the neighboring commune of Montigny-le-Bretonneux, 3.2 km (2.0 mi) from the town centre of Voisins-le-Bretonneux.