| Acronym | Definition |
|---|
| IBRA➣International Bee Research Association (United Kingdom) |
| IBRA➣Indonesian Bank Restructuring Agency |
| IBRA➣Interim Biogeographic Regionalisation for Australia |
| IBRA➣International Barrel Racing Association |
| IBRA➣International Broadcasting Association (Christian broadcaster) |
| IBRA➣Internationale Briefmarken Weltausstellung |