| Acronym | Definition |
|---|
| HIRL➣Hangout in Real Life |
| HIRL➣High Intensity Runway Light |
| HIRL➣Hospital Infection Research Laboratory (Birmingham, UK) |
| HIRL➣Haptic Interface Research Laboratory (Purdue University; Indiana) |
| HIRL➣Hamilton Institute of Rural Learning (Australia) |
| HIRL➣Hindustan Inks and Resins Ltd. (India) |
| HIRL➣Hypervelocity Impact Research Facility |