| Abbreviation | Definition |
|---|---|
| ICARUS | Institute For Central American Research United States |
| ICAS | Interuniversity Consortium for Arab Studies |
| ICAT | Integrated Circuits and Advanced Technologies |
| ICAT | International Center for Actuators and Transducers |
| ICAT | International Center for Automotive Technology |
| ICBC | Inter Collegiate Business Competition |
| ICBR | Interdisciplinary Center for Biotechnology Research |
| ICC | Inter Class Competition |
| ICC | International Culture Club |
| ICC | Intra Class Correlation |
| ICCB | Harvard Institute of Chemistry and Cell Biology |
| ICCF | International Communication Course For Freelancers |
| ICCS | Intercollegiate Center for Classical Studies |
| ICCT | Information Communication and Creative Technologies |
| ICCT | Institute For Cross Cultural Training |
| ICDDRB | International Center of Diarrhea Disease Research, Bangladesh |
| ICDDRB | International Centre for Diarrhoeal Disease Research, Bangladesh |
| ICDS | Institute of Chemical Dependancy Studies |
| ICE | Institute of Culinary Education |
| ICE | Instructional Computing Environment |