| Abbreviation | Definition |
|---|---|
| IBR | Institute for Biogenesis Research |
| IBR | Institute for Biopharmaceutical Research |
| IBR | Institute of Behavioral Research |
| IBR | Institute of Biogenesis Research |
| IBRM | Institute of Business and Retail Management |
| IBS | Institute for Basic Science |
| IBS | Institute for Biomedical Sciences |
| IBS | Institute for Building Sructure |
| IBS | Institute of Behavioral Science |
| IBS | Institute of Biblical Studies |
| IBS | Institute of Buddhist Studies |
| IBSC | Institute for the Biology of Stem Cells |
| IBSD | Institute of Bioresources and Sustainable Development |
| IBSL | Institute for Behavioral Sciences and the Law |
| IBSL | Institute of Bankers of Sri Lanka |
| IBSL | Institute of British Sign Language |
| IBST | Institute for Building Science and Technology |
| IBT | Institute for Behavioral Training |
| IBT | Institute for Business and Technology |
| IBV | Institute for Business Value |