| ICCG | Imperial College Club of Germany 
| Others |
| ICCG | Incomplete Conjugate Gradient
| Others |
| ICCG | Independent Computer Consulting Group
| Others |
| ICCG | Inter committee coordination group
| Others |
| ICCG | International Center for Climate Governance
| Others |
| ICCG | International Collaboration for Clinical Genomics
| Others |
| ICCG | International Collaborative Cancer Group
| Others |
| ICCG | International Conference of Critical Geography
| Others |
| ICCG | International Conference on Coatings on Glass
| Others |
| ICCG | Invacare Continuing Care Group
| Others |
| ICCG | Iowa Community Cultural Grants
| Others |
| ICCG | Irish Chinese Contact Group
| Others |
| ICCG | Islamic Community Center of Gainesville
| Others |