| GGM | Galaxy Gang Music LLC 
| Others |
| GGM | Galaxy Garbi Mandal
| Others |
| GGM | Gaudiya Grantha Mandira
| Others |
| GGM | Gaussian Graphical Model
| Others |
| GGM | Geely Group Motorsport
| Others |
| GGM | Gemstones Gemology Masters
| Others |
| GGM | Generic Group Model
| Others |
| GGM | Genetics and Genomic Medicine
| Others |
| GGM | Geordie Gabba Mafia
| Others |
| GGM | Gerontology and Geriatric Medicine
| Others |
| GGM | Gibsons Garden Machinery
| Others |
| GGM | Global Girl Media
| Others |
| GGM | Glucose Galactose Malabsorption
| Others |
| GGM | Glucose/Galactose Malabsorption
| Others |
| GGM | GoE GTA Multiplayer
| Others |
| GGM | Goggomobil
| Others |
| GGM | Goldreich Goldwasser and Micali
| Others |
| GGM | Good Governance for Medicines
| Others |
| GGM | Goodness Gracious Me
| Others |
| GGM | Gordon Garling Moffitt
| Others |
| GGM | Gordon Growth Model
| Others |
| GGM | Graceful Girth Magazine
| Others |
| GGM | Graduate Group in Microbiology
| Others |
| GGM | Grafschafter Gymnasium Moers
| Others |
| GGM | Graphite Grey Metallic
| Others |
| GGM | Gravity Gradient Mode
| Others |
| GGM | Great Googly Moogly
| Others |
| GGM | Great Grand Masters
| Others |
| ggm | Great grandmother: the mother of person's grandparent
| Others |
| GGM | Greatest Goal Ministries
| Others |
| GGM | Green Ground Market
| Others |
| GGM | Group General Manager
| Others |
| GGM | Grupo Guatemalteco de Mujeres
| Others |
| GGM | Gugje Geared Motor
| Others |
| GGM | Guy Gross Music
| Others |
| GGM | Gwap Getta Music
| Others |