| Abbreviation | Definition |
|---|---|
| ICI | Institut Canadien des Ingénieurs |
| ICI | Institut Canadien des Ingnieurs |
| ICI | Institute of Chemistry of Ireland |
| ICIS | Integrated Cadastral Information Society |
| ICIS | Intermountain Clinical Instrumentation Society |
| ICITS | International Conference on Information Technology Society |
| ICITS | International Conference on Internet Technologies and Society |
| ICLS | International Courtly Literature Society |
| ICLS | International Criminal Law Society |
| ICM | Canadian Institute of Mining, Metallurgy and Petroleum |
| ICM | Institut Canadien des Mines, de la Métallurgie et du Pétrole |
| ICM | Institut Canadien des Mines, de la Mtallurgie et du Ptrole |
| ICMM | International Council on Mining and Metals |
| ICMS | International Cellular Medicine Society |
| ICNS | International Clinical Neurophysiology Society |
| ICO | Commision Internationale d'Optique |
| ICOG | Illustrious Official College of Geologists |
| ICOG | Ilustre Colegio Oficial de Gelogos |
| ICOG | Ilustre Colegio Oficial de Geólogos |
| ICOLD | Commission Internationale des Grands Barrages |