| Abbreviation | Definition |
|---|---|
| ICA | Canadian Institute of Actuaries |
| ICA | Institut Canadien des Actuaires |
| ICA | International Communications Association |
| ICA | International Council on Archives |
| ICAE | Commission Internationale du Génie Rural |
| ICAE | Commission Internationale du Gnie Rural |
| ICAE | International Commission of Agricultural Engineering |
| ICB | Conseil International du Bâtiment pour la Recherche, l'Étude et la Documentation |
| ICB | Conseil International du Btiment pour la Recherche, l'tude et la Documentation |
| ICB | International Council for Building Research Studies and Documentation |
| ICBEN | International Commission on Biological Effects of Noise |
| ICBS | International Chemical Biology Society |
| ICC | Chemical Institute of Canada |
| ICC | Institut de Chimie du Canada |
| ICC | International Corrosion Council |
| ICCS | Conseil international d'études canadiennes |
| ICCS | Conseil international d'tudes canadiennes |
| ICCS | International Children's Continence Society |
| ICCS | International Clinical Cytometry Society |
| ICCS | International Council for Canadian Studies |