| Abbreviation | Definition |
|---|---|
| ICJP | International Council of Jewish Parliamentarians |
| ICMM | International Council of Metals and Mining |
| ICMS | International Council of Motorsport Sciences |
| ICN | Interagency Council of Norristown |
| ICNE | Islamic Council of New England |
| ICO | International Council of Ophthalmology |
| ICOA | Illinois Council On Aging |
| ICOD | Illinois Council Of Deliberation |
| ICOD | International Council Of Design |
| ICOF | Iowa Council of Foundations |
| ICOFT | Indian Council Of Foreign Trade |
| ICOJ | Islamic Council of Jamaica |
| ICOS | International Council of Onomastic Sciences |
| ICP | International Council of Psychologists |
| ICPC | Indiana Council of Preschool Cooperatives |
| ICPC | Interagency Children's Policy Council |
| ICPO | Irish Council for Prisoners Overseas |
| ICPR | Indian Council of Philosophical Research |
| ICR | International Council of Reflexologists |
| ICRC | Inner Cities Religious Council |