| Acronym | Definition |
|---|
| GBCA➣Green Building Council of Australia |
| GBCA➣Gadolinium-Based Contrast Agent |
| GBCA➣General Building Contractors Association |
| GBCA➣Greater Baltimore Cultural Alliance (Maryland) |
| GBCA➣Galveston Bay Cruising Association |
| GBCA➣Greater Boston Concierge Association |
| GBCA➣Grassland Bird Conservation Area |
| GBCA➣Grizzly Bear Conservation Area |
| GBCA➣Graphics-Based Control Architecture |
| GBCA➣Greater Boston Cable Advertising |
| GBCA➣Granite Bay Community Association (Granite Bay, CA) |
| GBCA➣German Brown Coal Association |
| GBCA➣Great Band of Christmas Aid |