| GB&A | Genk Body and Assembly 
| Others |
| GBA | Big Bay, Vanuatu
| Others |
| GBA | Gainesville Basketball Association
| Others |
| GBA | Game Boy Advance
| Others |
| GBA | Game Boy Advanced
| Others |
| GBA | Game Boy Assembly
| Others |
| GBA | Gameboy Advance
| Others |
| GBA | Garlic Bread Award
| Others |
| GBA | Gay Boy Alert
| Others |
| GBA | Gemeentelijke Basis Administratie
| Others |
| GBA | Gender-Based Analysis
| Others |
| GBA | General Business Administration
| Others |
| GBA | Generic Bootstrapping Architecture
| Others |
| GBA | Geoprofessional Business Association
| Others |
| GBA | Georgia Bankers Association
| Others |
| GBA | Georgia Building Authority
| Others |
| GBA | Geriatric Basketball Association
| Others |
| GBA | German Blocked Account
| Others |
| GBA | Ghana Bar Association
| Others |
| GBA | Girls Basketball Association
| Others |
| GBA | Glasgow Baseball Association
| Others |
| GBA | Glastonbury Basketball Association
| Others |
| GBA | Global Banking Alliance
| Others |
| GBA | Global Battle Association
| Others |
| GBA | Global Business Architecture
| Others |
| GBA | Global Business Assist
| Others |
| GBA | Glucosidase Beta Acid
| Others |
| GBA | God Bless America
| Others |
| GBA | Good Books for All
| Others |
| GBA | Government Benefit Administrators
| Others |
| GBA | Graduate Business Association
| Others |
| GBA | Gran Buenos Aires
| Others |
| GBA | Great Blasting Action
| Others |
| GBA | Great Britain Alderney
| Others |
| GBA | Greater Boston Area
| Others |
| GBA | Greece Basketball Association
| Others |
| GBA | Green Blob Army
| Others |
| GBA | Green Building Alliance
| Others |
| GBA | Greenwich Basketball Association
| Others |
| GBA | Groovy Brilliant Accent
| Others |
| GBA | Gross Building Area
| Others |
| GBA | Ground Based Aver
| Others |
| GBA | Ground Based Average
| Others |
| GBA | Group Benefits Associate
| Others |
| GBA | Grunt By Association
| Others |
| GBA | Guilt by Association
| Others |