| IBRA | Indonesia Bank Restructuring Agency 
| Others |
| IBRA | Indonesian Banking Restructuring Agency
| Others |
| IBRA | Interim Biogeographic Regionalisation for Australia
| Others |
| IBRA | Interim Biogeographic Regionalisation of Australia
| Others |
| IBRA | International Barrel Racing Association
| Others |
| IBRA | International Bee Research Association
| Others |
| IBRA | International Blokart Racing Association
| Others |
| IBRA | International Bone Research Association
| Others |
| IBRA | Inventory of Brand Representation At
| Others |
| IBRA | Inventory of Brand Representation Attributes
| Others |
| IBRA | Iowa Bicycle Racing Association
| Others |
| IBRA | Italian Bamboo Rodmakers Association
| Others |