| Abbreviation | Definition |
|---|---|
| ARTS | Addiction Research and Treatment Services |
| ARU | Afromontane Research Unit |
| ARUS | Advanced Research in Urban Systems |
| ARVO | Association For Research in Vision and |
| ARVO | Association for Research in Vision and Ophthalmology |
| ARVO | Association for Research in Vision Ophthalmology |
| ARW | advanced research WRF |
| ARYA | Agriculture Research Youth Award |
| ASAC | Applied Sciences Advisory Committee |
| ASCR | Advanced Scientific Computing Research |
| ASCR | Aspern Smart City Research |
| ASERT | Academic Science Education and Research Training |
| ASERT | Academic Science Education Research Training |
| ASERT | Atlantic Salmon Ecosystems Research Team |
| ASOR | American Society for Oriental Research |
| ASOR | American Society of Overseas Research |
| ASOR | Australian Society for Operations Research |
| ASPIRE | Accelerators of Science Pioneers Innovators Researchers and Educators |
| ASPIRE | Angular Studies of Photoelectron in Innovative Research Environments |
| ASPR | Asian Society for Pediatric Research |