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
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)
- G.M. The Independent Fantasy Roleplaying Magazine
Places
- The Gambia, by ISO 3166 code
- Germany, by FIPS 10-4 country code
- Greater Manchester, England
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
- Metacentric height, related to ship stability
- Transconductance, an electronic component parameter
- GM, unit of crosssection named after Maria Goeppert Mayer
Other uses
- Gm (digraph)
- GM chassis or Gusenichnaya Machina, a Russian tracked vehicle chassis
- 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
- Good morning (disambiguation)
- Gunner's mate, a US Navy rating
- G minor, chords and scale
See also
- Grace Monroe, the main protagonist in Book Three (and a minor antagonist in Book Two) of the animated anthology series Infinity Train
- GM1, a ganglioside in brain biochemistry
- Gram, a unit of mass, usually abbreviated "g" rather than "gm"
- Grandmaster (disambiguation)
- All pages with titles beginning with Gm
- All pages with titles beginning with GM
- All pages with titles containing GM
- MG (disambiguation)
- G (disambiguation)
- M (disambiguation)