| ICSC | Institute For Climate and Sustainable Cities 
| Others |
| ICSC | Integrated Computer Solutions Consultants
| Others |
| ICSC | Intel China Software Center
| Others |
| ICSC | Inter Chip Serial Communications
| Others |
| ICSC | InterConnect Software Consortium
| Others |
| ICSC | International Cargo Security Council
| Others |
| ICSC | International Cataloguing Standards Committee
| Others |
| ICSC | International Catholic Stewardship
| Others |
| ICSC | International Catholic Stewardship Council
| Others |
| ICSC | International Center for Studies in Creativity
| Others |
| ICSC | International Center Student Council
| Others |
| ICSC | International Certification Standards Committee
| Others |
| ICSC | International Chemical Safety Card
| Others |
| ICSC | International Chemical Safety Cards
| Others |
| ICSC | International Civil Service Commission
| Others |
| ICSC | International Climate Science Coalition
| Others |
| ICSC | International Coalition of Shopping Centers
| Others |
| ICSC | International Collegiate Sales Competition
| Others |
| ICSC | International Commission for Salary Cuts
| Others |
| ICSC | International Conference on Semantic Computing
| Others |
| ICSC | International Conference on Sensors and Control
| Others |
| ICSC | International Conference on Services Computing
| Others |
| ICSC | International Conference on Spatial Cognition
| Others |
| ICSC | International Congress of Scleral Contacts
| Others |
| ICSC | International Council of Shopping Centers
| Others |
| ICSC | International Council of Shopping Centres
| Others |
| ICSC | International Cycling Safety Conference
| Others |
| ICSC | Interstellar Capital Systems Consortium
| Others |
| ICSC | Islamia College of Science and Commerce,
| Others |
| ICSC | Islamic Center of Southern California
| Others |