| Acronym | Definition |
|---|
| GACA➣General Authority of Civil Aviation (Saudi Arabia) |
| GACA➣Georgia Athletic Coaches Association (Marietta, GA) |
| GACA➣Georgia Addiction Counselors Association |
| GACA➣Gainesville Association for the Creative Arts (Gainesville, FL) |
| GACA➣German American Citizens Association (Kansas City, MO) |
| GACA➣Great Ape Conservation Act of 2000 |