| Acronym | Definition |
|---|
| GCCB➣Groupware Competence Center Bank |
| GCCB➣Gran Casino Costa Brava (Spain) |
| GCCB➣Glenorchy City Concert Brass (Australia) |
| GCCB➣Gulf Coast Collection Bureau (Sarasota, FL) |
| GCCB➣Grid Computing in Computational Biology (conference) |
| GCCB➣Genève-Centre de Conférence Bouddhiste (French: Geneva Center for Buddhist Conference; Geneva, Switzerland) |
| GCCB➣Gold Coast College of Business (Queensland, Australia) |
| GCCB➣Gaining Command Coordination Briefing |
| GCCB➣Gulf Coast Concert Band (Pasadena, TX) |
| GCCB➣Greater Columbus Concert Band (Columbus, OH) |
| GCCB➣Garrett Community Concert Band (Oakland, MD) |