| Acronym | Definition |
|---|
| GCAA➣General Civil Aviation Authority (United Arab Emirates) |
| GCAA➣Ghana Civil Aviation Authority |
| GCAA➣Golf Coaches Association of America |
| GCAA➣Guyana Civil Aviation Authority |
| GCAA➣Galveston County Apartment Association |
| GCAA➣Graduate Careers Council of Australia |
| GCAA➣Gambia Civil Aviation Authority |
| GCAA➣Gulf Coast Angler's Association |
| GCAA➣Georgia Christian Athletic Association |
| GCAA➣Governor’s Community Achievement Award |
| GCAA➣Green Citizens' Action Alliance |
| GCAA➣Gauteng Combined Accommodation Association |
| GCAA➣Garden City Athletic Association |
| GCAA➣Guelph Creative Arts Association |
| GCAA➣Georgia Community Action Association |
| GCAA➣Glaucoma Crónico de Ángulo Abierto |
| GCAA➣Greater China Accountants Alliance |
| GCAA➣Greater Cleveland Auto Auction |
| GCAA➣Girard College Alumni Association |
| GCAA➣Greater Chicago Auto Auction |
| GCAA➣Greater Cleveland Alumni Association |
| GCAA➣Gallaudet College Alumni Association |
| GCAA➣Georgia Common Access Application |
| GCAA➣Gilpin County Art Association |
| GCAA➣Gates Chili Alumni Association |
| GCAA➣Génie Chimique et Agro-Alimentaire |
| GCAA➣General Committee on Academic Affairs |
| GCAA➣Global Collegiate Athletics Association |
| GCAA➣Gwasanaethau Cefnogi ac Arolygu Addysg |
| GCAA➣Greater Cincinnati Alumnae Association |
| GCAA➣Grayville Community Arts Association |
| GCAA➣Graduate Committee on Admissions and Awards |
| GCAA➣Grand Canyon Airport Authority |
| GCAA➣Golden Casket Agents Association |
| GCAA➣Gilmer County Athletic Association |
| GCAA➣Georgetown College Alumni Association |
| GCAA➣German Council on Alcoholism and Addictions |
| GCAA➣Galveston College Alumni Association |
| GCAA➣Ghanaian Canadian Achievement Awards |
| GCAA➣Golden Cedar Association of Australia |