| Abbreviation | Definition |
|---|---|
| ICI | Integrated Change Initiative |
| ICIA | Indiana Crop Improvement Association |
| ICIA | Iowa Crop Improvement Association |
| ICLD | Indian Council for Learning Disability |
| ICOA | Idaho Commission on Aging |
| ICOA | Indiana Campground Owners Association |
| ICON | Improving Connectivity in ONtario |
| ICRB | Indiana Compensation Rating Bureau |
| ICRC | Infrastructure and Concession Regulatory Commission |
| ICS | Interagency Communications Structure |
| ICSH | Irish Council for Social Housing |
| ICSJ | Illinois Counselors for Social Justice |
| ICSL | Interstate Consortium on School Leadership |
| ICSO | Imperial County Sheriff's Office |
| ICSO | Ingham County Sheriff's Office |
| ICSP | Integrated Community Sustainability Plan |
| ICSS | Indiana Council for the Social Studies |
| ICSS | Iowa Council for the Social Studies |
| ICSW | Indian Council of Social Welfare |
| ICSW | Iowa Commission on the Status of Women |