Sannois () is a commune in the northwestern suburbs of Paris, France. It is located 15.2 km (9.4 miles) from the center of Paris, in the Val-d'Oise department in ÃÂle-de-France in northern France.
The Hôtel de Ville was completed in 1994.
Sannois is served by Sannois station on the Transilien Paris-Saint-Lazare suburban rail line.
Sannois is served by the A15 and A115 motorways and the N14 national road between Paris, Pontoise and Normandy.
Sannois is home to the Parc des Sports Michel Hidalgo, where the local football team L'Entente SSG play their home games in France's Championnat National.