TAAA
| Acronym | Definition |
|---|---|
| TAAA | Tucson Amateur Astronomy Association |
| TAAA | Thoraco-Abdominal Aortic Aneurysm |
| TAAA | Trade Adjustment Assistance Act (federal funding) |
| TAAA | Terapia Antirretroviral Altamente Activa (Galician: Highly Active Antiretroviral Therapy) |
| TAAA | Tochigi Advertising Agencies Association (Japan) |
| TAAA | Transboundary Aquifer Assessment Act of 2006 |
| TAAA | Total Active Aircraft Authorization |