| Abbreviation | Definition |
|---|---|
| IARC | International Accreditation and Recognition Council |
| IASC | Illinois Association of Student Councils |
| IASC | Indiana Association of Student Councils |
| IASC | International Aloe Science Council |
| IBAC | International Business Advisory Council |
| IBLAC | International Business Leaders Advisory Council (UK) |
| IC3E | International Council Of Education Employment And Empowerment |
| IC3EICEEE | INTERNATIONAL COUNCIL OF EDUCATION EMPLOYMENT AND EMPOWERMENT |
| IC3EORG | INTERNATIONAL COUNCIL OF EDUCATION EMPLOYMENT AND EMPOWERMENT |
| ICAA | International Council on Active Aging |
| ICAA | International Council on Alcohol and Addictions |
| ICAD | International Council of Amateur Dancers |
| ICAM | International Council For Applied Mineralogy |
| ICAR | Imperial Council of Agricultural Research |
| ICAR | Indian council for agricultural research |
| ICAR | Indian Council for Agricultural Return |
| ICARS | Interagency Council on Agricultural and Rural Statistics |
| ICAS | International council of aeronautical sciences |
| ICAS | International Council Of Air Shows |
| ICBA | International Council of Biotechnology Associations |