| Acronym | Definition |
|---|
| GCAB➣Global Community Advisory Board (HIV/AIDS) |
| GCAB➣Global Consumer Advisory Board |
| GCAB➣Global Committee of Argentina Bondholders |
| GCAB➣Groupement des Commerçants et Artisans de Blonay (French: Blonay Shopkeepers and Craftsmen Group; Switzerland) |
| GCAB➣Gloucestershire County Association for the Blind (UK charity) |
| GCAB➣Groupement Carburant Aviation du Bourget (French aviation fuel group) |
| GCAB➣Gibraltar Citizens Advice Bureau |