| Rank | Abbreviation | Meaning |
|---|
| ***** | ICCN | International Center on Conflict and Negotiation
| |
| ***** | ICCN | Intensive and Critical Care Nursing
| |
| **** | ICCN | Interfaith Center for the Culture of Nonviolence
| |
| **** | ICCN | Interfaith Climate Change Network
| |
| *** | ICCN | International Conference on Computational Nanoscience and Nanotechnology
| |
| *** | ICCN | Islamitisch Cultureel Centrum Nederland
| |
| *** | ICCN | International Centre on Conflict and Negotiation
| |
| ** | ICCN | International Conference on Cognitive Neurodynamics
| |
| ** | ICCN | Intercultural Conflict, Communication and Negotiation
| |
| ** | ICCN | Islamic Cultural Centre Norway
| |
| * | ICCN | International Conference on Cancer Nursing
| |
| * | ICCN | Indiana Classic Car Network
| |
| * | ICCN | International Congress of Citrus Nurserymen
| |
| * | ICCN | Inner City Computer Network
| |
| * | ICCN | International Canopy Crane Network
| |
| * | ICCN | Inter-Center Council on Networking
| |
| * | ICCN | Intercenter Council for Communications and Networks
| |
| * | ICCN | International Committee of Catholic Nurses
| |
| * | ICCN | Intercenter Council on Computer Networking
| |
| * | ICCN | International Collaborative Calciphylaxis Network
| |
| * | ICCN | Intercenter Council for Computer Networking
| |