| Acronym | Definition |
|---|
| SICU➣Surgical Intensive Care Unit |
| SICU➣South Interlake Credit Union (Manitoba, Canada) |
| SICU➣Synergy Integrated - Connects the Unconnected (Helsinki, Finland) |
| SICU➣Silicon Copper |
| SICU➣Satellite Internet Competency Unit (Temasek Polytechnic; Singapore) |
| SICU➣Specialised Intermediate Care Unit |
| SICU➣Semi-Intensive Care Unit (health care) |