GBAC
| Acronym | Definition |
|---|---|
| GBAC | Greater Birmingham Auburn Club (Alabama) |
| GBAC | Governance-Based Access Control (Canada) |
| GBAC | Greater Boston Anthropology Consortium (Massachusetts) |
| GBAC | Green Building Advisory Council (Washington, DC) |
| GBAC | Goose Bay Airport Corporation (Canada) |
| GBAC | Great Beach Attractions Corporation |
| GBAC | Greater Baldwinsville Ambulance Corps (est. 1962; Baldwinsville, NY) |
| GBAC | Golden Bull Activities Committee (Johnson C. Smith University; Charlotte, NC) |