| GM | Geometric Mean | - | Computer Acronyms(common) |
| GM | General MIDI | - | Human Genome |
| GM | Gaseous Mixture | - | Organizations |
| GM | Geometric Mean | - | Organizations |
| GM | Good Morning | - | Sms Text Smileys and Emoticons |
| GM | Good Move | - | Sms Text Smileys and Emoticons |
| GM | Good Match | - | Sms Text Smileys and Emoticons |
| GM | Good Morning | - | ISO Country Codes |
| GM | Good Move | - | ISO Country Codes |
| GM | Gigametre | - | Astronomy |
| GM | The Gambia (ISO 3166 Digram) -GameMaster (role-playing) - General Motors - Genetically Modified -Germany (FIPS 10-4 Country Code) -Guru Meditation (computing) | - | Astronomy |
| GM | General Motors | - | Business and Finance |
