| Abbreviation | Definition |
|---|---|
| IRIMEE | Indian Railway Institute of Mechanical and Electrical Engineering |
| IRIMEE | Indian Railway Institute of Mechanical and Electrical Engineers |
| IRIMEE | Indian Railways Institute for Mechanical and Electrical Engineering |
| IRIMEE | Indian Railways Institute of Mechanical and Electrical Engg |
| IRIMEE | Indian Railways Institute of Mechanical and Electrical Engineering |
| IRIMS | Industrial Research Institute Member Summit |
| IRISE | Ikeda Research Institute for Soka Education |
| IRISE | Indigenous Research Institute for Student Empowerment |
| IRITM | Indian Railways Institute of Transport Management |
| IRITM | Indian Rly Institute of Transport Management |
| IRJ | Institute on Race and Justice |
| IRL | Institute for Research on Learning |
| IRL | Institute for Rowing Leadership |
| IRL | Institute on Religious Life |
| IRM | Institute for Regenerative Medicine |
| IRM | Institute for Rock Magnetism |
| IRMM | Institute for Reference Materials and Measurements |
| IRMM | Institutes for Reference Materials and Measurements |
| IRMS | Institute for Reproductive Medicine and Science |
| IRMSA | Institute for Risk Management South Africa |