| Acronym | Definition |
|---|
| IBHA➣International Big History Association (conference) |
| IBHA➣International Buckskin Horse Association |
| IBHA➣International Blackpowder Hunting Association |
| IBHA➣Islamic Ball Hockey Association |
| IBHA➣Iowa Buckskin Horse Association (Moscow, IA) |
| IBHA➣Integrated Behavioral Health Assessment |