| ASTA | A Simple Thin Architecture 
| Others |
| ASTA | A Smart Thin Architecture
| Others |
| ASTA | Abersoch Sailing Training Association
| Others |
| ASTA | Advanced Software Technology and Algorithm
| Others |
| ASTA | Advanced Superconducting Test Accelerator
| Others |
| ASTA | Aerial Surveillance and Target Acquisition
| Others |
| ASTA | Airport Surface Traffic Automation
| Others |
| ASTA | Alabama School Transportation Association
| Others |
| ASTA | Alabama Science Teachers Association
| Others |
| ASTA | Allgemeine Studentenhuis (General Students Committee)
| Others |
| AStA | Allgemeiner Studierendenausschuss
| Others |
| ASTA | American Sail Training Association
| Others |
| ASTA | American Seed Trade Association
| Others |
| ASTA | American Society of Travel Agent
| Others |
| ASTA | American Society of Travel Agents
| Others |
| ASTA | American Spice Trade Association
| Others |
| ASTA | American Spice Traders Association
| Others |
| ASTA | American String Teachers Association
| Others |
| ASTA | American Surgical Trade Association
| Others |
| ASTA | Anti Spam Technical Alliance
| Others |
| ASTA | Applied Science And Technology Abstracts
| Others |
| ASTA | Arkansas State Teachers Association
| Others |
| ASTA | ASTA short for the American
| Others |
| ASTA | Austin Steam Train Association
| Others |
| ASTA | Australian School of The Arts
| Others |
| ASTA | Australian Science Teachers Association
| Others |
| ASTA | Automotive Service Training Academy
| Others |
| ASTA | Autonomous Systems Of Trade Agents
| Others |
| ASTA | Aviation System Test Activity
| Others |