| GMM | Gallery Mint Museum 
| Others |
| GMM | Gateway Management Module
| Others |
| GMM | Gaussian Mixture Model
| Others |
| GMM | Gaussian Mixture Modelling
| Others |
| GMM | Gaussian Mixture Models
| Others |
| GMM | General Maintenance Manual
| Others |
| GMM | General Manager Mode
| Others |
| GMM | General Medical Merate
| Others |
| GMM | General Motors de Mexico
| Others |
| GMM | General Motors Malaysia
| Others |
| GMM | General Motors Manufacturing
| Others |
| GMM | General Motors Motorama
| Others |
| GMM | Generalized method of moments
| Others |
| GMM | Giant Magnetoresistive Material
| Others |
| GMM | Gisle Martens Meyer
| Others |
| GMM | Give Me Money
| Others |
| GMM | Global Management and Manufacturing
| Others |
| GMM | Global Management Meeting
| Others |
| GMM | Global Movement of Moderates
| Others |
| GMM | Global Multimedia Mobility
| Others |
| GMM | Goal, Motivation, and Method
| Others |
| GMM | Gold Medal Models
| Others |
| GMM | Good Mood Music
| Others |
| GMM | Good Morning Mahialinkoln
| Others |
| GMM | Good Morning mail
| Others |
| GMM | Good morning Memphis
| Others |
| GMM | Good Morning Minecraft
| Others |
| GMM | Good Mythical Morning
| Others |
| GMM | Goodbye, Mr. Mackenzie
| Others |
| GMM | Goodwood Members Meeting
| Others |
| GMM | Goodwood Moving Motor Show
| Others |
| GMM | Google Map Maker
| Others |
| GMM | Google Mobile Maps
| Others |
| GMM | Google My Maps
| Others |
| GMM | Gprs Mobility Management
| Others |
| GMM | Gram Molecular Mass
| Others |
| GMM | Grand Master Mason
| Others |
| GMM | Graspop Metal Meeting
| Others |
| GMM | Gravellona Macchine Marmo
| Others |
| GMM | Growth Management Marketing
| Others |
| GMM | Gujarat Machinery Manufacturer
| Others |
| GMM | Gunner's Mate, Missile
| Others |
| GMM | Mercer University, School of Medicine (Library code)
| Others |