| Acronym | Definition |
|---|
| GIAA➣Groupement des Intellectuels Aveugles ou Amblyopes |
| GIAA➣God Is An Astronaut (band) |
| GIAA➣Guild of Italian American Actors |
| GIAA➣Guam International Airport Authority |
| GIAA➣Geomatics Industry Association of America (Alexandria, VA) |
| GIAA➣Global Interactive Assurance Alliance (insurance; UK) |