| Abbreviation | Definition |
|---|---|
| IHBR | Institute for Health Behavioral Research |
| IHBR | Institute for Health Behavioural Research |
| IHCP | Inverse heat conduction problem |
| IHDI | Inequality-adjusted Human Development Index |
| IHRI | Indian Health Research Internship |
| IHRI | International Hydraulic Research Institute |
| IIAR | Indian Institute of Advanced Research |
| IIER | Institute for Integrated Economic Research |
| IIER | Issues In Educational Research |
| IIGOP | Independent Information Governance Oversight Panel |
| IIHR | Indian Institute of Horticultural Research |
| IIHR | Indian Institute of Horticulture Research |
| IIHR | Iowa Institute of Hydraulic Research |
| IIMR | Indian Institute of Maize Research |
| IIMR | Indian Institute of Millets Research |
| IIMR | Institute of Investment Management and Research |
| IIPR | Indian Institute of Pulses Research |
| IIRC | Image And Identity Research Collective |
| IIRC | Image Identity Research Collective |
| IIRC | Immunity and Infection Research Center |