| USB | Alternate Storage Memory 
| Others |
| USB | Summary for U S Bancorp
| Others |
| USB | U S Bancorp
| Others |
| USB | Ultimate Security Breakdown
| Others |
| USB | Ultimate Sound Bank
| Others |
| USB | Ultra Smooth Bearings
| Others |
| USB | Ultra-Small Branch
| Others |
| USB | Ultra-Stupid Butthead
| Others |
| USB | Un Safe Backup
| Others |
| USB | Undergraduate School of Business
| Others |
| USB | Underseat Storage Box
| Others |
| USB | Unified S Band
| Others |
| USB | Uniform Serial Bus
| Others |
| USB | Union State Bank
| Others |
| USB | United Soybean Board
| Others |
| USB | Universal Satellite Bus
| Others |
| USB | Universal Security Breach
| Others |
| USB | Universal Serial Bus
| Others |
| USB | Universal Service Bus
| Others |
| USB | Universal Studio Bridge
| Others |
| USB | Universal Style Bank
| Others |
| USB | Universal Synchronous Bus
| Others |
| USB | Universidad Simon Bolivar
| Others |
| USB | University of South Berkly
| Others |
| USB | University of Stellenbosch Business
| Others |
| USB | Univrsal Sierial Bus
| Others |
| USB | Unstable Synthetic Brain
| Others |
| USB | Unstoppably Slippery Boy
| Others |
| USB | Unusual Scientific Berserker
| Others |
| USB | Unusually Slow Bus
| Others |
| USB | Unusually Succulent Bum
| Others |
| USB | Unusually Supportive Bum
| Others |
| USB | Unwanted Security Breach
| Others |
| USB | Upflow Sludge Blanket
| Others |
| USB | Uplifting Speaker Bass
| Others |
| USB | Upper Side Band
| Others |
| USB | Upper SideBand
| Others |
| USB | Usb Stands for Bullshit
| Others |
| USB | Useless Steam Blowhole
| Others |
| USB | User Should Buzzoff
| Others |
| USB | User Support Branch
| Others |