HIRT
| Acronym | Definition |
|---|---|
| HIRT | Hitachi Incident Response Team (est. 1998) |
| HIRT | Hazardous Incident Response Team (various locations) |
| HIRT | Head Injury Retrieval Trial (clinical trial) |
| HIRT | High Intensity Resistance Training |
| HIRT | Hurricane Intercept Research Team |
| HIRT | High Reynolds Number Tunnel |