| UMB | MemMaker Backup file 
| Others |
| UMB | U Mad Bro
| Others |
| UMB | Ultra Mobile Broadband
| Others |
| UMB | Ultrasound in Medicine and Biology
| Others |
| UMB | UMBilical
| Others |
| UMB | UMBilicus
| Others |
| UMB | Umbundu
| Others |
| UMB | Umnak Island, Alaska USA
| Others |
| UMB | Understanding MARC Bibliographic
| Others |
| UMB | Unibrow Marching Band
| Others |
| UMB | Union Mondiale de Billard
| Others |
| UMB | United Missouri Bank
| Others |
| UMB | Universal Mattebox Base
| Others |
| UMB | Universal Merchant Bank
| Others |
| UMB | Universal Message Bus
| Others |
| UMB | Universal Mounting Bracket
| Others |
| UMB | University of Maryland Baltimore
| Others |
| UMB | University of Maryland BioPark
| Others |
| UMB | University of Massachusetts Boston
| Others |
| UMB | University of Michigan Band
| Others |
| UMB | University of Mining in Bulgaria
| Others |
| UMB | Univerzity Mateja Bela
| Others |
| UMB | Unreinforced Masonry Buildings
| Others |
| UMB | Unsigned Music Blog
| Others |
| UMB | Upfront Mortgage Broker
| Others |
| UMB | Upper Mekong Basin
| Others |
| UMB | Upper Memory Block
| Others |
| UMB | Upper Midwest Broadcasting
| Others |
| UMB | Upper Mink Brook
| Others |
| UMB | Urea Molasses Blocks
| Others |
| UMB | User Mode Bus
| Others |