MG, Mg, or mg and variants may refer to:
MGM Resorts International is a global hospitality and entertainment company operating destination resorts in Las Vegas, Mississippi, New Jersey and Detroit, including Bellagio, MGM Grand, Mandalay Bay and The Mirage.
The MGB is a two-door sports car manufactured and marketed by the British Motor Corporation (BMC), later British Leyland, as a four-cylinder, soft-top roadster from 1962 until 1980. Its details were first published on 19 September 1962. Variants include the MGB GT three-door 2+2 coupé (1965–1980), the six-cylinder roadster and coupé MGC (1967–1969), and the eight-cylinder 2+2 coupé, the MGB GT V8 (1973–1976).
MG Motor UK Limited (MG Motor) is a British automotive company headquartered in Longbridge, Birmingham, United Kingdom, and a subsidiary of SAIC Motor UK, which in turn is owned by the Shanghai-based SAIC Motor.
The MGM-31A Pershing was the missile used in the Pershing 1 and Pershing 1a field artillery missile systems.
MG (Morris Garage) is an English automotive marque registered by the now defunct MG Car Company Limited, a British sports car manufacturer begun in the 1920s as a sales promotion sideline within W R Morris's Oxford city retail sales and service business by the business's manager, Cecil Kimber.
The MGM-140 Army Tactical Missile System (ATacMS) is a surface-to-surface missile (SSM) manufactured by Lockheed Martin.