Look up GM, Gm, or gm in Wiktionary, the free dictionary.

GM or Gm may refer to:

Companies

• General Motors, US automobile manufacturing company which was founded in 1908
  • Motors Liquidation Company, the US automobile manufacturing company known as General Motors Corporation from 1916 to 2009
• General Mills, US food manufacturing company
• Gunn & Moore, UK sports equipment company

Places

• The Gambia, by ISO 3166 code
• Germany, by FIPS 10-4 country code
• Greater Manchester, England

Sports and gaming

• RGM-79 GM, a mobile suit series in the video game Mobile Suit Gundam
• Gamemaster or game master, a person officiating in a multiplayer role-playing game
• Grandmaster (chess)
• Grandmaster (martial arts)
• GM (magazine)

Science and measurement

• Geiger–Müller tube or G-M tube, a type of radiation detector
• Genetic modification or genetically modified, manipulation of an organism's genome
• Gigametre or gigameter (Gm), one billion metres
• Silty gravel, in the Unified Soil Classification System
• Standard gravitational parameter ${\displaystyle \mu =GM\ }$
• Metacentric height, related to ship stability
• Transconductance, an electronic component parameter
• GM, unit of cross section named after Maria Goeppert Mayer

Other uses

• Gm (digraph)
• GM chassis or Gusenichnaya Machina, a Russian tracked vehicle chassis
• G minor, chords and scale
• General manager
• General MIDI, a standardized specification for music synthesizers
• Genital mutilation
• George Medal, a UK, primarily civil, decoration for acts of great bravery
• Gold master, a version of software to be distributed to customers, i.e. ready for release to manufacturing
• Google Maps
• Gunner's mate, a US Navy rating