| ARROW | Active Response Regarding Our World 
| Others |
| ARROW | Activity Research Reporting On the Web
| Others |
| ARROW | Aims Reality Reflection Options And Way
| Others |
| ARROW | Anti Resonant Reflective Optical Waveguide
| Others |
| ARROW | Anti-Resonant Reflecting Optical Waveguide
| Others |
| ARROW | Apalachicola Region Resources On the Web
| Others |
| ARROW | Art A Resource For Reconciliation Over The World
| Others |
| ARROW | Astoria Residents Reclaiming Our World
| Others |
| ARROW | Aural Read Respond Oral Write
| Others |
| ARROW | Australian Research Repositories Online to the World
| Others |