| Acronym | Definition |
|---|
| GBBA | Greater Bridgeport Bar Association, Inc. (Connecticut) |
| GBBA | Grant Business Broking Australia (Australia) |
| GBBA | Griffon Bruxellois Breeders Association (UK) |
| GBBA | Galaxy British Book Awards |
| GBBA | Greater Burnside Business Association (Dartmouth, Nova Scotia, Canada) |
| GBBA | Greater Boston Bankers Association (Massachusetts; est. 1885) |
| GBBA | Gloucestershire Basket Ball Association (UK) |
| GBBA | Greater Brookland Business Association, Inc. (Washington, DC) |
| GBBA | Greater Birmingham Bowling Association, Inc. (Alabama) |