| Acronym | Definition |
|---|
| ATDA | Armenian Tourism Development Agency |
| ATDA | Augmented Target Docking Adapter (NASA) |
| ATDA | American Train Dispatchers Association |
| ATDA | Accountability of Tax Dollars Act |
| ATDA | Appropriate Technology Development Association |
| ATDA | Agena Target Docking Adapter (NASA) |
| ATDA | Alabama Tire Dealers Association |
| ATDA | Air Toxics Data Archive |
| ATDA | Augmented Target Docking Adaptor (NASA) |
| ATDA | Atlas Target Docking Adapter (NASA) |
| ATDA | Altes Testament Deutsch, Apokryphen |
| ATDA | Australian Textile Design Association |
| ATDA | Assam Tribal Development Authority (India) |
| ATDA | American Trade and Development Agency |
| ATDA | Argentina Tango Dance Association (Tokyo, Japan) |
| ATDA | Advanced Technical Drawing - Architectural |
| ATDA | Active Tactical Decision Aid |
| ATDA | American Truck Dealers Association |
| ATDA | All Turkish Districts Award |
| ATDA | Arizona Technology Development Authority |
| ATDA | Airport Taxi Drivers Association (Edinburgh, Scotland, UK) |
| ATDA | Autoimmune and Transplantation Disease Area |
| ATDA | Automated Testing of Diode Arrays |
| ATDA | Aruchour Tourism Development Association |