IRRB
| Acronym | Definition |
|---|---|
| IRRB | Institutional Research Review Board (National-Louis University) |
| IRRB | International Red River Board (est. 2001; International Joint Commission) |
| IRRB | Integrated Requirements Review Board |
| IRRB | Italian Registry of Renal Biopsies (nephrology) |
| IRRB | Infrastructure Requirements Review Board |