| Acronym | Definition |
|---|
| ASIR | Adaptive Statistical Iterative Reconstruction (algorithm) |
| ASIR | Amsterdam School of International Relations (Netherlands) |
| ASIR | Age-Specific Incidence Rate (oncology) |
| ASIR | Annals of Surgical Innovation and Research (publication) |
| ASIR | Automatic Signature Image Recognition (Muller Martini Corp.) |
| ASIR | Arab Scientific Institute for Research and Transfer of Technology (Palestine) |
| ASIR | Australian Station Intelligence Report |
| ASIR | Absolute Scanning Infrared Radiometer (Atmospheric Radiation Measurement; US Department of Education) |
| ASIR | Aeronautical Shipboard Installation Representative |