ICRU
| Acronym | Definition |
|---|---|
| ICRU | International Commission on Radiation Units and Measurements |
| ICRU | Iowa Center for Research by Undergraduates (University of Iowa; Iowa City, Iowa) |
| ICRU | Irish Colleges Rugby Union |
| ICRU | Iceland’s Crisis Response Unit |
| ICRU | International Crocodile Rescue Unit (Australia Zoo) |