| Acronym | Definition |
|---|
| UMS➣University of Maine System (USA) |
| UMS➣Universiti Malaysia Sabah |
| UMS➣Unmanned Maritime Systems |
| UMS➣Urgent Mail Service (Pakistan) |
| UMS➣Universal Mounting System |
| UMS➣USB Mass Storage |
| UMS➣Urbana Middle School (various locations) |
| UMS➣Upper Memory Specification |
| UMS➣User Mode Scheduler |
| UMS➣Universitas Muhammadiyah Surakarta (Indonesian university) |
| UMS➣University Musical Society |
| UMS➣Urine Monitoring System (US NASA) |
| UMS➣University of Mississippi |
| UMS➣User-Mode Scheduler (Microsoft SQL Server) |
| UMS➣Urban Mobility Study |
| UMS➣Unité Mixte de Service (French: Joint Unit of Service) |
| UMS➣Universal Measurement System (shipping) |
| UMS➣Unique Management Services (various locations) |
| 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➣Unit Medical Station (Canadian Armed Forces) |
| UMS➣Utility Management System |
| UMS➣Uniform Mark Scale |
| UMS➣University Mail Service (various schools) |
| UMS➣Underutilized Mediterranean Species |
| UMS➣Unattended Machinery Space |
| UMS➣User Mobility Server (3GPP) |
| UMS➣United Monolithic Semiconductors GmbH |
| UMS➣Universal Modem System (Army) |
| UMS➣University for Metaphysical Studies (New Mexico, USA) |
| UMS➣Unified Message Services |
| 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 Maintenance Stand |
| UMS➣Universal Microfilm Scanner |
| 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) |