| Acronym | Definition |
|---|
| ICCG➣International Conference on Crystal Growth |
| ICCG➣International Catholic Conference of Guiding |
| ICCG➣Invacare Continuing Care Group |
| ICCG➣Irish Char Conservation Group (est. 2000) |
| ICCG➣International Center for Climate Governance (Italy) |
| ICCG➣Incomplete Cholesky Conjugate Gradients |
| ICCG➣International Catholic Centre of Geneva |
| ICCG➣Intercommunication-Communication Control Group |