| GBM | Gabon Business Machines 
| Others |
| GBM | Ganked By Mom
| Others |
| GBM | Garbaharey, Somalia
| Others |
| GBM | Gaussian Brownian Motion
| Others |
| GBM | Gay Black Marvelous
| Others |
| GBM | General Body Meeting
| Others |
| GBM | General Building Materials
| Others |
| GBM | General Business Meeting
| Others |
| GBM | Generalized Brownian Motion
| Others |
| GBM | Generate Business Money
| Others |
| GBM | Generic Buffer Manager
| Others |
| GBM | Genie Backup Manager
| Others |
| GBM | Geoffrey Bwalya Mwamba
| Others |
| GBM | Geometric Based Method
| Others |
| GBM | Geometric Brownian Motion
| Others |
| GBM | GLAST Burst Monitor
| Others |
| GBM | GlioBlastoma Multiforme
| Others |
| GBM | Global Banking and Markets
| Others |
| GBM | Global Blower Module
| Others |
| GBM | Glomerular Basement Membrane
| Others |
| GBM | Godfrey Bwalya Mwamba
| Others |
| GBM | Golden Business Machines
| Others |
| GBM | Government-Backed Mortgage
| Others |
| GBM | Grace Baptist Mission
| Others |
| GBM | Gradient Boost Models
| Others |
| GBM | Gradient Boosted Machine
| Others |
| GBM | Gradient Boosting Machines
| Others |
| GBM | Grand Bauhinia Medal
| Others |
| GBM | Grand Bend Motorplex
| Others |
| GBM | Great Big Maps
| Others |
| GBM | Great British Mushroom
| Others |
| GBM | Greater Birmingham Ministries
| Others |
| GBM | Greater Black Magic
| Others |
| GBM | Greater Brooklyn Movement
| Others |
| GBM | Green Bay Machinery
| Others |
| GBM | Green Belt Movement
| Others |
| GBM | Greenwich Borough Mariners
| Others |
| GBM | Grid Box Mean
| Others |
| GBM | Ground Breaking Music
| Others |
| GBM | Groupe de Bombardement Mixte
| Others |
| GBM | Gulf Business Machines
| Others |
| GBM | Society for Biochemistry and Molecular Biology
| Others |