| Abbreviation | Definition |
|---|---|
| IERE | Institution of Electronic and Radio Engineers |
| IETI | Innovations in Education and Teaching International |
| IETN | Inland Empire Television Network |
| IETT-3 | Integrating Educational Technology into Teaching, 3rd Edition |
| IF | Independent Film |
| IF | Inside Film |
| IF | Interactive Fiction |
| IF | Interdependent Film |
| IF | Interest Factor |
| IFB | Interrupted Feedback Broadcast |
| IFC | Independent Film Channel |
| IFFI | International Film Festival of India |
| IFOA | International Festival Of Authors |
| IFP | Independent Film Project |
| IFPI | International Federation of Phonogram and Videogram Producers, Inc. |
| IFREP | International Fellowship of Editors and Publishers |
| IG | In Genre |
| IG2 | Inspector Gadget 2 |
| IGM | Image Gallery Main |
| IGM | In-Game Movie |