| Acronym | Definition |
|---|
| GCBA | Gobierno de la Ciudad de Buenos Aires (Buenos Aires, Argentina) |
| GCBA | Gold Coast Builders Association (Florida) |
| GCBA | Greater China Business Association |
| GCBA | Gwinnett County Bar Association (Georgia) |
| GCBA | Gold Coast Baseball Association (Australia) |
| GCBA | Gloucester-Cumberland Basketball Association (Canada) |
| GCBA | Greater Cleveland Boating Association (Ohio) |
| GCBA | Genesee County Bar Association (Flint, Michigan) |
| GCBA | Gold Canyon Business Association (Arizona) |
| GCBA | Green Country Bluegrass Association (Oklahoma) |
| GCBA | Gloucestershire Contract Bridge Association (UK) |
| GCBA | Galveston County Bar Association (Texas) |
| GCBA | Gaston County Beekeepers Association (North Carolina) |
| GCBA | Greene County Beekeepers Association (Ohio) |