GTAA
| Acronym | Definition |
|---|---|
| GTAA | Greater Toronto Airports Authority |
| GTAA | Global Tactical Asset Allocation (investing/finance) |
| GTAA | Georgia Tech Alumni Association (Atlanta, GA) |
| GTAA | Gypsy and Traveller Accommodation Assessment (UK Housing Act) |
| GTAA | Greater Toronto Apartment Association (Toronto, Ontario, Canada) |
| GTAA | Golf Tournament Association of America (Phoenix, AZ) |
| GTAA | Georgia Tech Athletic Association (Atlanta, GA) |