English abbreviations from gmrt to gn
- GMRT((telescope) Giant Meter Radio Telescope)
- GMS(Gun Management System)
- GMSA(Gunners Mate Seaman Apprentice)
- GMSC(Good Morning South Columbia)
- GMSEP(Georgia Media Specialist Evaluation Program)
- GMSFP(George Mason Society Freedom Project)
- GMSN(Gunners Mate Seaman)
- GMSS(Global Mobile Satellite Services)
- GMT(Greenwich Mean Time)
- GMTA(General Motors Technical Academy)
- GMTI(Ground Moving Target Indicator)
- GMTK(General Mechanics Tool Kit)
- GMU(Greenville Downtown Airport)
- GMV(Monument Valley Airport (FAA: UT25))
- GMW(General Magnet Wire)
- GMZ(La Gomera Airport)
- gn(Guaraní language (ISO 639-1 code))