| Acronym | Definition |
|---|
| IIRS➣Indian Institute of Remote Sensing (Dehradun, India) |
| IIRS➣International Institute of Rehabilitation Sciences & Research (India) |
| IIRS➣Institute for Industrial Research and Standards |
| IIRS➣Imagery Interpretability Rating Scale |
| IIRS➣Irish Institute for Industrial Research and Standards |
| IIRS➣Improved Increasing Radius Search |
| IIRS➣Internal Interface Requirement Specification |