The Mouvement Social Révolutionnaire (MSR) was a right-revolutionary movement founded in France in September 1940. Its founder was Eugène Deloncle, who was previously associated with La Cagoule (CSAR).

The MSR supported the return of Pierre Laval to the Vichy government of Petain, after he was removed from government in December 1940. They collaborated with the Rassemblement National Populaire (RNP), which was founded in January 1941 and of which the MSR became a faction.