MG, Mg, or mg and variants may refer to:
MGM Resorts International is an American global hospitality and entertainment company operating destination resorts in Las Vegas, Mississippi, Maryland, New Jersey, and Detroit, including Bellagio, MGM Grand, Mandalay Bay and The Mirage.
MG Motor UK Limited (MG Motor) is an 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.
MG, the initials of Morris Garages, 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 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 (1967–69), and the eight-cylinder 2+2 coupé, the MGB GT V8 (1973–76).
The MGM-31A Pershing was the missile used in the Pershing 1 and Pershing 1a field artillery missile systems.
The Maschinengewehr 34, or MG 34, is a German recoil-operated air-cooled machine gun, first tested in 1929, introduced in 1934, and issued to units in 1936. It introduced an entirely new concept in automatic firepower – the Einheitsmaschinengewehr (Universal machine gun) – and is generally considered the world's first general-purpose machine gun (GPMG).