| Abbreviation | Definition |
|---|---|
| IDDE | Instructional Design and Diversity Education |
| IDE | Industrial Development Engineering |
| IDP | International Diploma Program |
| IDRL | Identifier reference list |
| IDRV | Identifier reference value |
| IDS | Information And Decision Sciences |
| IDSC | Information and Decision Sciences Degree |
| IDW | Identifier word |
| IE | Industrial Engineering |
| IED | Integrated Engineering and Design |
| IEEFA | Institute for Energy Economics and Financial Analysis |
| IEEFA | Institute of Energy Economics and Fnancial Analysis |
| IEM | Industrial Environmental Management |
| IEPT | International English Proficiency Test |
| IESE | Industrial Engineering and Systems Engineering |
| IET | Impact Elasticity Tester |
| IET | Industrial Engineering Technology |
| IET | Information Engineering Technology |
| IGCSE | International General Certificate of Secondary Education |
| IGNITE | Humanitary Inspiration |