| Abbreviation | Definition |
|---|---|
| ICSM | Institute of Cardiovascular Science and Medicine |
| ICSMU | International Comparative Studies Majors' Union |
| ICSN | L'Institut de Chimie des Substances Naturelles |
| ICSP | Institut Catala de Sexologia i Psicoterapia |
| ICSP | International Cultural Service Program |
| ICSR | International Centre for the Study of Radicalisation |
| ICSS | Institute for Complex Scientific Software at Northeastern University |
| ICSS | Institute for Contemporary Shamanic Studies |
| ICST | Institute for Computer Music and Sound Technology |
| ICST | Institute for Curriculum, Standards, and Technology at George Washington University |
| ICST | Institute of Catalysis Science and Technology |
| ICST | Institute of Cryogenic & Superconductivity Technology |
| ICST | Inter-Cultural Studies classes |
| ICST | International Center for the Study of Terrorism |
| ICSU | Idaho Commons and Student Union |
| ICSU | International Chain Salon University |
| ICSW | Institute for Clinical Social Work |
| ICSY | Information and Communication Systems courses |
| ICT | Illinois Center for Transportation |
| ICT | Information and Communication Technology |