SICU
| 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) |