| Rank | Abbreviation | Meaning |
|---|
| ***** | ATDA | Appropriate Technology Development Association
| |
| ***** | ATDA | Autoimmune and Transplantation Disease Area
| |
| ***** | ATDA | Active Tactical Decision Aid
| |
| ***** | ATDA | Agree to Disagree Agreeably
| |
| ***** | ATDA | American Truck Dealers Association
| |
| ***** | ATDA | Alte Testament Deutsch Apokryphen
| |
| **** | ATDA | Airport Taxi Drivers Association
| |
| **** | ATDA | American Train Dispatchers of America
| |
| **** | ATDA | Atlas Target Docking Adapter
| |
| **** | ATDA | Agena Target Docking Adapter
| |
| *** | ATDA | Australian Timber Design Awards
| |
| *** | ATDA | American Trade and Development Agency
| |
| *** | ATDA | Advanced Technical Drawing - Architectural
| |
| *** | ATDA | Air Toxics Data Archive
| |
| *** | ATDA | Arizona Technology Development Authority
| |
| *** | ATDA | Alabama Tire Dealers Association
| |
| *** | ATDA | All Turkish Districts Award
| |
| *** | ATDA | Augmented Target Docking Adapter
| |
| ** | ATDA | Assam Tribal Development Authority
| |
| ** | ATDA | Argentine Tango Dance Association
| |
| ** | ATDA | Australian Textile Design Association
| |
| ** | ATDA | Accountability of Tax Dollars Act
| |
| ** | ATDA | American Train Dispatchers Association
| |
| ** | ATDA | authorization to debit account
| |
| ** | ATDA | Armenian Tourist Development Agency
| |