DIIR
| Acronym | Definition |
|---|---|
| DIIR | Department of Information and International Relations (Nepal) |
| DIIR | Diagnostic Imaging Intelligence Report (medical imaging newsletter) |
| DIIR | Draft Intelligence Information Report (US Military) |
| DIIR | Department of Intergovernmental and International Relations (Canada) |
| DIIR | Department of Innovation, Industry and Regional Development (Australia) |
| DIIR | Digital Image Intensifier Radiography |