| GAAA | General Aviation Activity and Avionics 
| Others |
| GAAA | Georgia Academy of Anesthesiologist Assistants
| Others |
| GAAA | Gewaltfreie Aktion Atomwaffen Abschaffen
| Others |
| GAAA | Gewaltfreien Aktion Atomwaffen Abschaffen
| Others |
| GAAA | Gibraltar Amateur Athletic Association
| Others |
| GAAA | Gibraltar Amateur Athletics Association
| Others |
| GAAA | Giumette Academic Achievement Award
| Others |
| GAAA | Glen Arbor Art Association
| Others |
| GAAA | Grad Acting Alumni Association
| Others |
| GAAA | Great American Aran Afghan
| Others |
| GAAA | Greater Atlanta Adventist Academy
| Others |
| GAAA | Greenlining Academy Alumni Association
| Others |