| Acronym | Definition |
|---|
| UMS | University of Maine System (USA) |
| UMS | Universiti Malaysia Sabah |
| UMS | USB Mass Storage |
| UMS | Universitas Muhammadiyah Surakarta (Indonesian university) |
| UMS | University Musical Society |
| UMS | University of Mississippi |
| UMS | User-Mode Scheduler (Microsoft SQL Server) |
| UMS | Unité Mixte de Service (French: Joint Unit of Service) |
| UMS | Universal Measurement System (shipping) |
| UMS | User Management System |
| UMS | Use Map Settings (Warcraft game) |
| UMS | Use Map Settings (Starcraft) |
| UMS | Unmanned Machinery Space (shipping) |
| UMS | Ulnar-Mammary Syndrome |
| UMS | United Mexican States |
| UMS | University Malaysia Sarawak |
| UMS | Utility Management System |
| UMS | Uniform Mark Scale |
| UMS | Underutilized Mediterranean Species |
| UMS | Unattended Machinery Space |
| UMS | User Mobility Server (3GPP) |
| UMS | United Monolithic Semiconductors GmbH |
| UMS | Universal Modem System (Army) |
| UMS | Unified Message Services |
| UMS | University for Metaphysical Studies (New Mexico, USA) |
| UMS | Ugly Mood Swing |
| UMS | Unattended MASINT Sensors |
| UMS | User Modifiable Software |
| UMS | Unattended Monitoring System |
| UMS | Universal Manhood Suffrage |
| UMS | Ultrasonic Motion Sensor |
| UMS | Universal Microfilm Scanner |
| UMS | Universal Maintenance Stand |
| UMS | Unleaded Motor Spirit |
| UMS | Ultramain Maintenance System (logistics) |
| UMS | Unity Management System |
| UMS | Universal Maintenance Standard (oil and gas) |
| UMS | UTACCS Message System |
| UMS | Universal Mandelbrot Set (mathematics) |
| UMS | Unit Medical Station (Canadian Armed Forces) |
| UMS | Urbana Middle School (various locations) |