| AARL | Abilene AI (Artificial Intelligence) and Robotics Laboratory 
| Others |
| AARL | Abilene AI and Robotics Laboratory
| Others |
| AARL | Academie Aikido Region Lilloise
| Others |
| AARL | Addis Ababa Regional Laboratory
| Others |
| AARL | Aeronautical and Astronautical Research Laboratories
| Others |
| AARL | Aeronautical and Astronautical Research Laboratory
| Others |
| AARL | Aeronautical Astronautical Research Laboratory
| Others |
| AARL | African American Research Library
| Others |
| AARL | American Amateur Radio League
| Others |
| AARL | Anglo American Research Laboratory
| Others |
| AARL | Anti Aging Research Laboratories
| Others |
| AARL | Aquatic Animal Research Laboratory
| Others |
| AARL | Arizona Advanced Reproductive Laboratory
| Others |
| AARL | Army Aeromedical Research Lab
| Others |
| AARL | Army Aeromedical Research Laboratory
| Others |
| AARL | Artpace Archive and Resource Library
| Others |
| AARL | Asset Allocation Related Liability
| Others |
| AARL | Auburn Avenue Research Library
| Others |
| AARL | Australian Academic And Research Libraries
| Others |