| Abbreviation | Definition |
|---|---|
| IBI | Integrated Benefits Institute |
| IBI | International Business Institute |
| IBIM | Institute of Business and Investment Management |
| IBIT | Institute for Business and Information Technology |
| IBJI | Illinois Bone and Joint Institute |
| IBJI | Illinois Bone Joint Institute |
| IBL | Institute of Biblical Leadership |
| IBL | Institute on Black Life |
| IBLC | Institute of Business Language and Culture |
| IBLS | Institute for Border Logistics and Security |
| IBM | Institute of Business Management |
| IBMM | Institute of Biochemistry and Molecular Medicine |
| IBP | Institute for Bird Populations |
| IBP | Institute for Broadening Participation |
| IBPP | Institution Building Partnership Programme |
| IBPS | Institute for Banking Personnel Selection |
| IBPT | Institute for Beam Physics and Technology |
| IBQS | Institute of Botswana Quantity Surveyors |
| IBR | Institute for Basic Research |
| IBR | Institute for Biblical Research |