| 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) |