| Acronym | Definition |
|---|
| ICRB➣Indiana Compensation Rating Bureau (insurance) |
| ICRB➣International Classification of Retinoblastoma (oncology) |
| ICRB➣Internal Civil Rights Branch |
| ICRB➣Internal Change Review Board |
| ICRB➣Intercultural Resource Bureau (Internet company) |
| ICRB➣Immune Complex Red Cell Binding |