| 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 |