| Acronym | Definition |
|---|
| GDBA | Gavin de Becker & Associates (security firm) |
| GDBA | Guide Dogs for the Blind Association |
| GDBA | Graduate Diploma in Business Administration |
| GDBA | Graphic Design Business Association |
| GDBA | Graduate Diploma of Business Administration |
| GDBA | Greater Detroit Bowling Association (Michigan) |
| GDBA | Gaignault-Driot-Blanchet-Arnoux (French motorsports team) |
| GDBA | Gauteng Dragon Boat Association (South Africa) |
| GDBA | Gay-Defined Bisexually Active |
| GDBA | Greater Detroit Baptist Association (Taylor, Michigan) |
| GDBA | Gisborne District Business Association (Australia) |
| GDBA | Gainesville District Basketball Association (Catharpin, VA) |