| Abbreviation | Definition |
|---|---|
| IHP | Integrated Humanities Program |
| IHR | Internet History Resources |
| IHRI | International Health Research Institute |
| IHSA | Indiana Health Student Association |
| IHSA | Intercollegiate Horse Show Association |
| IHSBMA | International Honor Society for Business, Management, and Administration |
| IHTFP | I Have Taken Freshman Physics |
| IHTFP | I Have The Finest Professors |
| IHU | International Handbook of Universities |
| IHU | International Hellenic University |
| IHU | Introduction to an Honors University |
| IIB | Institute of International Business |
| IICRC | Ishikawa International Cooperation Research Centre |
| IIEP | International Institution Exchange Program |
| IIFM | Indian Institute of Forest Management |
| IIH | Institute of International Health at Michigan State University |
| IIH | Instituto de Investigaciones Históricas ( UNAM) |
| IIHS | Institute of Integral Handwriting Studies |
| IIHS | International Institute of Health Studies |
| IIIP | Intelligent Information Infrastructure Project (MIT) |