| ICMC | Iglesia Cristiana Misionera de Cristo 
| Others |
| ICMC | Indian Classical Music Circle
| Others |
| ICMC | Indiana College Mathematics Competition
| Others |
| ICMC | Integrated Call Management Centre
| Others |
| ICMC | Integrated Currency Management Centre
| Others |
| ICMC | Inter College Music Competition
| Others |
| ICMC | International Campus Ministry Conference
| Others |
| ICMC | International Capital Management Company
| Others |
| ICMC | International Capital Management Corporation
| Others |
| ICMC | International Catholic Migration
| Others |
| ICMC | International Catholic Migration Commission
| Others |
| ICMC | International Computer
| Others |
| ICMC | International Computer Music Conference
| Others |
| ICMC | International Country Music Conference
| Others |
| ICMC | International Cryptographic Module Conference
| Others |
| ICMC | International Cyanide Management Code
| Others |
| ICMC | Internship Career Management Center
| Others |
| ICMC | Islamic Center of McHenry County
| Others |
| ICMC | Islamic Center of Morris County
| Others |
| ICMC | Islamic Circle of Mercer County
| Others |
| ICMC | Island Classic Mustang Club
| Others |