| 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) |