| GCBA | General Council of Burmese Associations 
| Others |
| GCBA | Genesee County Bar Association
| Others |
| GCBA | Genesee County Bridal Alliance
| Others |
| GCBA | Georgia Children's Book Award
| Others |
| GCBA | Georgia Children's Book Awards
| Others |
| GCBA | Gloucester Cumberland Basketball
| Others |
| GCBA | Gloucester Cumberland Basketball Association
| Others |
| GCBA | Gloucestershire County Bridge Association
| Others |
| GCBA | Gobierno de la Ciudad de Buenos Aires
| Others |
| GCBA | Gold Canyon Business Association
| Others |
| GCBA | Gold Coast Baseball Association
| Others |
| GCBA | Gold Coast Builders Association
| Others |
| GCBA | Gold Country Brewers Association
| Others |
| GCBA | Greater China Business Association
| Others |
| GCBA | Greater Cleveland Beekeepers Association
| Others |
| GCBA | Greater Cleveland Boating Association
| Others |
| GCBA | Green Country Bluegrass Association
| Others |
| GCBA | Greenfield Community and Business Association
| Others |
| GCBA | Gulf Coast Blacksmith Association
| Others |
| GCBA | Gwinnett County Bar Association
| Others |