| Abbreviation | Definition |
|---|---|
| IRCP | Institute of Religion Culture and Peace |
| IRCS | Institute for Research in Cognitive Science |
| IRCT | Institute of Recovery from Childhood Trauma |
| IRD | Institute on Religion and Democracy |
| IRDI | Institute for Regenerative Design and Innovation |
| IRDP | Institute of Research and Dialogue for Peace |
| IRDR | Institute for Risk and Disaster Reduction |
| IRDR | Institute for Risk and Disasters Reduction |
| IRDT | Institute for Rural Development Trust |
| IRE | Institute of Radio Engineers |
| IRE | Institute of Radio Experts |
| IREAD | Institute for Rural Education And Development |
| IREC | Institute For Research Education And Consultation |
| IRED | Institute for Research Education and Dialogue |
| IRED | Institute for Research on Educational Development |
| IRED | Institute of Research Engagement and Design |
| IRED | Institute of Research Engineers and Doctors |
| IRED | Institution Related Eligibility District |
| IREM | Institute of Real Estate Management |
| IRENE | Institute for Research and Education on Negotiation in Europe |