| Abbreviation | Definition |
|---|---|
| IITs | Indian Institutes of Technology |
| IITs | Information & Instructional Technology Services (UTSC) |
| IIU | Indus International University |
| IIU | International Islamic University |
| IIU | International Islamic University, Malaysia |
| IIU | Isles International University |
| IIUC | International Islamic University Chittagong |
| IIUI | International Islamic University Islamabad |
| IIUM | International Islamic University Malaysia |
| IIV | Indian Institute of Valuers |
| IIY | Indian Institute For Young Generation |
| IJSB | International Journal of Science and Business |
| IKAT | Institute for Knowledge and Agent Technology |
| IKG | Immanuel Kant Gymnasium ( Magdeburg, Germany) |
| IKMP | Instytutu Krav Maga Polska |
| IKP | Institut fur Korperzentrierte Psychotherapie |
| IKP | Institutt for Kjemisk Prosessteknologi |
| IL | Ivy League |
| ILA | Institut Linguistique Adenet |
| ILB | Instituto Leonardo Bravo, A. C. |