| Abbreviation | Definition |
|---|---|
| ISSU | International Student Services Unit |
| IST | International Students Tours |
| ISTAR | Indiana Student Teacher Achievement Recognition |
| ISTE | International Students and Teachers in Education |
| ISTEP | International Students Together For Environmental Protection |
| ISTO | Irish Student Trampoline Open |
| ISU | International Student Union |
| ISV | International Student Volunteers |
| ISW | International Student Week |
| ISW | International Student Welcome |
| ISWE | International Students Welcome Evening |
| ITASA | Intercollegiate Taiwanese American Student Association |
| ITC | Israel Tech Challenge |
| ITF | Integrated Test Facility |
| ITFS | Instructional Television For Students |
| ITHM | International Tourism and Hospitality Management |
| ITSB | Institute of Technology Student Board |
| IUAT | Isra University Admission Test |
| IUCF | Industry and University Consultation Forum |
| IUET | Integral University Entrance Test |