The SOCATA Rallye is a light aircraft that was manufactured by French aviation company SOCATA. It was originally developed during the 1950s by French aircraft manufacturer Morane-Saulnier as the MS.880.

SOCATA was a French producer of general aviation aircraft propelled by piston engines and turboprops, including business planes, small personal or training aircraft, as well as the production of aircraft structures for other manufacturers such as Airbus, Dassault, Embraer, Eurocopter and Lockheed Martin. The company had its headquarters, along with much of its production capabilities, located in Tarbes, France.