| Acronym | Definition |
|---|
| GMG➣Giornata Mondiale della Gioventù (Italian: World Youth Day) |
| GMG➣Guardian Media Group |
| GMG➣Global Migration Group (est. 2006) |
| GMG➣Game Group PLC (stock symbol) |
| GMG➣Global Manager Group |
| GMG➣Gonzaba Medical Group (San Antonio, TX) |
| GMG➣Golf Management Group (Netherlands) |
| GMG➣Grenade Machine Gun |
| GMG➣Global Marketing Group |
| GMG➣Granada Media Group |
| GMG➣Gloucestershire Media Group (UK) |
| GMG➣Gesetz Zur Modernisierung des Gesundheitssystems (Germany: act to modernize the health system) |
| GMG➣Gas Miners Guild (Freelancer game) |
| GMG➣Green Media Group (Philippines) |
| GMG➣Ground Mobile Gateway (US DoD) |
| GMG➣Global Manufacturing Group (Queensland, Australia) |
| GMG➣Georgia Marketing Group (Lawrenceville, GA) |
| GMG➣Glasgow University Media Group |
| GMG➣Gurnisht Mit Gurnisht (Yiddish: Nothing with Nothing) |
| GMG➣(USN Rating) Gunner's Mate (Guns) |