| UMD | U More Dumb 
| Others |
| UMD | Ultra Micro Dot
| Others |
| UMD | Ultra Mini Diode
| Others |
| UMD | Ultra Mobile Device
| Others |
| UMD | Unbelievable Magic Disc
| Others |
| UMD | Unconditional Martingale Difference
| Others |
| UMD | Unconditional Martingale Differences
| Others |
| UMD | Under Monitor Display
| Others |
| UMD | Unified Middleware Distribution
| Others |
| UMD | Uninterruptible Motor Drive
| Others |
| UMD | Unit Manning Document
| Others |
| UMD | Unit Manpower Document
| Others |
| UMD | Unit Movement Data
| Others |
| UMD | Universal Media Disc
| Others |
| UMD | Universal Media Disk
| Others |
| UMD | Universal Minecraft Dollar
| Others |
| UMD | Universal Mini Disc
| Others |
| UMD | Universal Module Definition
| Others |
| UMD | University of Maryland's
| Others |
| UMD | University of Michigan Dearborn
| Others |
| UMD | University of Michigan, Dearborn
| Others |
| UMD | University of Minnesota Duluth
| Others |
| UMD | Unusual Motion Detection
| Others |
| UMD | Unversal Module Definition
| Others |
| UMD | Use Magic Device
| Others |
| UMD | Use Manufacture Distribute
| Others |
| UMD | User Manager for Domains
| Others |
| UMD | User Model Database
| Others |
| UMD | Uummannaq, Greenland
| Others |