| Abbreviation | Definition |
|---|---|
| ICI | Intercultural Communication Institute |
| ICI | Investment Casting Institute |
| ICI | Investment Company Institute |
| ICIO | Idaho Correctional Institution Orofino |
| ICIOB | ICIOB means a membership for CIOB: Incorporate for The Chartered Institute of Building. |
| ICIOB | Imilarpages Chartered Institute Of Building |
| ICIP | International Catalan Institute for Peace |
| ICIR | Institute for Communication and Information Research |
| ICIS | Institute For Comparative And International Studies |
| ICIT | Institute for Cochlear Implant Training |
| ICIT | Institute of Computer and Information Technology |
| ICIT | Institute of Contemporary Islamic Thought |
| ICIT | Institution Crisis Intervention Team |
| ICJ | Institute for Community Justice |
| ICL | Institute Class Locator |
| ICL | Institute for Church Life |
| ICL | Institute for Civic Leadership |
| ICL | Institute for Conservation Leadership |
| ICL | Institute for Continued Learning |
| ICL | Institute for Continuing Learning |