AIRB
| Acronym | Definition |
|---|---|
| AIRB | Advanced Internal Rating-Based (financial approach) |
| AIRB | Automobile Insurance Rate Board (Minister of Finance and Enterprise; Canada) |
| AIRB | Anteater Instruction and Research Building (University of California, Irvine) |
| AIRB | Anti-Illegal Recruitment Branch (military recruitment; various locations) |