| Acronym | Definition |
|---|
| ICCCC➣Iowa Consortium for Comprehensive Cancer Control (est. 2001; now Iowa Cancer Consortium) |
| ICCCC➣International Conference on Computers, Communications and Control (Romania) |
| ICCCC➣International Childhood Cancer Cohort Consortium |
| ICCCC➣Interfaith Council of Contra Costa County (California) |
| ICCCC➣Interagency Commission on Climate Change (Russia) |
| ICCCC➣International C-Class Catamaran Championship |