| Abbreviation | Definition |
|---|---|
| IQG | Instituto Qualisa de Gestão (in Portuguese) Qualisa Institute of Management |
| IQI | Institute for Quantum Information |
| IQI | International Quality Institute |
| IQL | Institute for Quality Leadership |
| IQM | Institute for Quantum Matter |
| IQM | Institute of Quality Malaysia |
| IQM | Institute Of Quarrying Malaysia |
| IQSA | Institute of Quarrying Southern Africa |
| IRAC | Institute for Research in Applicable Computing |
| IRAHE | Institute for Research and Assessment in Higher Education |
| IRAL | Institute for Reserach on Adolescent Learning |
| IRAM | Institute of Range and American Mustang |
| IRAM | Institute of Range and the American Mustang |
| IRAM | Institute of Range the American Mustang |
| IRAP | Institute for Research in Astrophysics and Planetology |
| IRAS | Institute for Risk Assessment Sciences |
| IRBC | Institute of Reformed Biblical Counseling |
| IRBS | Institute for Reformed Baptist Studies |
| IRCM | Institute for Reformed Campus Ministry |
| IRCM | Institute of Reliability Centered Maintenance |