| Acronym | Definition |
|---|
| SUI | Switzerland |
| SUI | Stress Urinary Incontinence |
| SUI | System User Interface |
| SUI | State Unemployment Insurance (tax) |
| SUI | System Under Investigation (computing) |
| SUI | Stanford University Interim |
| SUI | Special User Interface |
| SUI | Subtract Immediate |
| SUI | Simple User Interface |
| SUI | Semantic User Interface |
| SUI | Setup User Interface |
| SUI | Supermedia User Interface |
| SUI | Serious Untoward Incident (National Health Service; UK) |
| SUI | Suisun-Fairfield (Amtrak station code; Suisun-Farield, CA) |
| SUI | Speech User Interface |
| SUI | Standard User Interface |
| SUI | State University of Iowa (Iowa City, IA) |
| SUI | Sensitive Unclassified Information |
| SUI | Systems Unlimited, Inc. |
| SUI | Sacramento Ultrasound Institute (Sacramento, CA) |
| SUI | Secure User Identification |
| SUI | Shopping Under the Influence (humor) |
| SUI | Society of United Irishmen (political group) |
| SUI | Singapore Utilities International Pte Ltd |
| SUI | String Unique Identifier |
| SUI | Scripture Union International |
| SUI | State Unemployment Income |