| Acronym | Definition |
|---|
| GBDC➣Grand Bank Development Corporation (Grand Bank, Newfoundland, Canada) |
| GBDC➣Groupement Biologique des Carmes (French: Carmelite Biological Group) |
| GBDC➣Grace Barrand Design Centre (UK) |
| GBDC➣Ground-Based Data Centre (Cluster spacecraft; European Space Agency) |
| GBDC➣Greater Burlington Deaf Club (Vermont) |