ICCU
| Acronym | Definition |
|---|---|
| ICCU | Instituto Centrale per il Catalogo Unico (Italian) |
| ICCU | Intensive Coronary Care Unit |
| ICCU | Idaho Central Credit Union (est. 1940) |
| ICCU | Intensive Cardiac-Care Unit |
| ICCU | Iowa Community Credit Union |
| ICCU | Intensive Critical Care Unit |
| ICCU | International Coastal Clean Up |
| ICCU | Inter-Computer Communications Unit |
| ICCU | Instrument Command and Control Unit |
| ICCU | Inter City Correspondence Unit (New York City Police) |