| Abbreviation | Definition |
|---|---|
| IPRP | Interagency Pain Research Portfolio |
| IPRS | International Postgraduate Research Scholarship |
| IPRS | International Postgraduate Research Scholarships |
| IPVR | Information Platform Violence Research |
| IQRA | Intelligence Quality Research Aptitude |
| IRAA | Institutional Research and Advanced Analytics |
| IRAA | Institutional Research Assessment and Accountability |
| IRAD | Independent Research And Design |
| IRAD | Independent Research and Development |
| IRAD | Industry Research And Development |
| IRAD | Institutional Research and Application Development |
| IRAI | Independent Research Advisory Indonesia |
| IRAI | Industry Research Associates Incorporated |
| IRAL | Initial Relative Accumulation Level |
| IRAMP | International Research Attachment and Mobility Programme |
| IRAMS | Internal Research Award Management System |
| IRAP | Institute for Research in Astrophysics and Planetology |
| IRAP | Institutional Research and Academic Planning |
| IRAP | Institutional Research Assessment and Planning |
| IRAP | International Research and Applications Project |