MG

MG, Mg, or mg and variants may refer to:

Education

• Main gauche (m.g., French), a term indicating "left hand" in piano music
• Matematička gimnazija, a Belgrade special school, elementary and high school, for those gifted in mathematics, physics and ICT

Entertainment and media

• MG (The Perhapanauts), a character in The Perhapanauts comics
• Memphis Group (M.G.), from the band Booker T. & the M.G.'s fronted by Booker T. Jones
• MG Select, a house duo music production from Chicago named after Marc Mitchell and George Jackson
• The MG's (album), an album recorded by Booker T.'s band
• Match Game (MG) (1962–1969; 1973–1979; 1983–1984; 1990–1991), an American television game show
• MG (Martin Gore album) an album recorded by Martin Gore, the primary songwriter for the band Depeche Mode
• Middle Grade, that is, suitable for ages 8 - 12.

Military

• MG, a prefix typically used for machine gun model designations (for example, "MG42" and "MG3")
• Major General, a military rank used by many countries; the specific "MG" abbreviation is used in the United States
• Medal for Gallantry (MG), an Australian military decoration, introduced in 1991

Nations

• .mg, the Internet country code top-level domain for Madagascar
• Madagascar, ISO 3166-1 country code (MG)
• Malagasy language (mg), the national language of Madagascar
• Minas Gerais (MG), a Brazilian state
• Mongolia, FIPS 10-4 country code (MG)

Science and technology

• Magnesium, symbol for the chemical element (Mg)
• Michaelis-Gutmann bodies (M-G bodies), concentrically layered basophilic inclusions in the urinary tract
• Monoglyceride, or monoacylglycerol
• Motor-generator (M-G), a device for converting electrical power to another form
• Myasthenia gravis (MG), an autoimmune disease
• mg (editor) (mg), an Emacs-compatible Unix text editor

Transportation

• The MG Car Company Limited (1924–2005), a now defunct British automobile manufacturer
  • MG Motor (2006-present), MG Cars now owned by SAIC
• MG, IATA code for Champion Air (1995–), an American charter airline
• MG, code for the Swiss mountain railway known as Monte Generoso railway

Units of measurement

• Multiples of the base unit of mass gram,
  • Milligram (mg), 10⁻³ gram
  • Megagram (Mg), 10⁶ grams
• Multiples of a unit of magnetic field Gauss (unit),
  • Milligauss (mG), equivalent to 1.0 × 10⁻⁷ tesla
  • Megagauss (MG), 100 teslas