Champs-sur-Marne (French pronunciation: [ʃɑ̃ syʁ maʁn] ⓘ) is a commune in the eastern outer suburbs of Paris, France.

It is located 18.2 km (11.3 mi) from the centre of Paris, on the left bank of the Marne, in the Seine-et-Marne department (on the departmental border with Seine-Saint-Denis) in the Île-de-France region.

The commune of Champs-sur-Marne, famous for its château, is part of the Val Maubuée area, one of the four sectors in the "new town" of Marne-la-Vallée.

Originally called simply Champs, the name of the commune became officially Champs-sur-Marne (meaning "Fields upon Marne") on 9 April 1962.

[8] The commune has three junior high schools, Armand Lanoux, Jean Weiner, and Pablo Picasso; and there is an additional junior high school in a surrounding commune, Le Luzard in Noisiel.