| Rank | Abbreviation | Meaning |
|---|
| ***** | ICNS | Integrated Communications and Navigation System
| |
| *** | ICNS | Integrated Communications, Navigation and Surveillance
| |
| *** | ICNS | infection control nurses
| |
| ** | ICNS | International Conference on Network Security
| |
| ** | ICNS | International Conference on Networking and Services
| |
| ** | ICNS | Int Conf on Networking and Services
| |
| ** | ICNS | International Corporate Network Signalling
| |
| ** | ICNS | Information Center for New Star
| |
| * | ICNS | International Center for Nostradamian Studies
| |
| * | ICNS | International Cooperative Nursery School
| |
| * | ICNS | Intranet Course Nomination System
| |
| * | ICNS | intrinsic cardiac nervous system
| |
| * | ICNS | In-Car Navigation System
| |
| * | ICNS | Irvine Community Nursery School
| |
| * | ICNS | Islip Community Nursery School
| |
| * | ICNS | intercostal nerves
| |
| * | ICNS | International Conference on Nitride Semiconductors
| |
| * | ICNS | Isolated Central Nervous System
| |
| * | ICNS | Illinois Coalition of Nonpublic Schools
| |
| * | ICNS | International Conference on Neutron Scattering
| |
| * | ICNS | Internet Compendium Neal Schuma
| |
| * | ICNS | Interconnect Cabling Network Services
| |
| * | ICNS | intensive care/neurosurgical intervention
| |
| * | ICNS | International Clinical Neurophysiology Society
| |
| * | ICNS | International Council of Ninja Societies
| |