| Acronym | Definition |
|---|
| GACC | German-American Chamber of Commerce |
| GACC | Gainesville Area Chamber of Commerce (Gainesville, FL) |
| GACC | Geographic Area Coordination Centers (wildland firefighting) |
| GACC | Great American Cross Country |
| GACC | Gatwick Area Conservation Campaign (UK) |
| GACC | Great American Cookie Company (various organizations) |
| GACC | Global Air Chiefs Conference |
| GACC | Ground Attack Control Center |
| GACC | Grating Assisted Codirectional Coupler |
| GACC | Greater Austin Crime Commission (Austin, Texas) |
| GACC | Ground Attack Control Capability |
| GACC | Great Apes of Congo Center |