USIT
| Acronym | Definition |
|---|---|
| USIT | Universitetets Senter for Informasjonsteknologi (Norwegian: University Center for Information Technology) |
| USIT | Unified Structured Inventive Thinking |
| USIT | Unit Share Investment Trust |
| USIT | Ultrasonic Imaging Tool (cement bond logging) |
| USIT | USIT Ireland Ltd. (not an acronym; formerly Union of Students in Ireland Travel) |
| USIT | UEC (USX (US Steel) Engineers and Consultants, Inc.) SAIL (Steel Authority of India., Ltd.) Information Technology (India) |
| USIT | Ullevål Sykehus It (Norwegian) |