| Acronym | Definition |
|---|
| IICS | Innovative Internet Community Systems (workshop) |
| IICS | Institute of Information and Computing Sciences (Netherlands) |
| IICS | Istanbul International Community School (Turkey) |
| IICS | International Interactive Communications Society |
| IICS | Indian Institute of Computer Science (est. 1996) |
| IICS | International Institute for Christian Studies |
| IICS | International Ion Chromatography Symposium |
| IICS | Irish Institute of Chinese Studies (Ireland) |
| IICS | Information and Communications System |
| IICS | Integrated Infantry Combat System |
| IICS | International Institute of Child Study (Thailand) |
| IICS | Institute for Information and Computer Science (Philippines) |
| IICS | International Interactive Computing Society |
| IICS | Intelligent Integrated Communications System (Innovation) |
| IICS | Integrated Information & Communication Systems GmbH |
| IICS | International Imperial Court System |
| IICS | International Information and Communication Society |