| URL | Internet shortcut (Universal Resource Locator) 
| Others |
| URL | U R in Love
| Others |
| URL | U R Lame
| Others |
| URL | Ultimate Rap League
| Others |
| URL | Ultra Reliable Linkage
| Others |
| URL | Ultra-Reliable Linkage
| Others |
| URL | Un Real Life
| Others |
| URL | Under Rolling Lights
| Others |
| URL | Underground Race League
| Others |
| URL | Underground Racing League
| Others |
| URL | Unfinanced Requirements List
| Others |
| URL | Unicorn Rainbow Leap
| Others |
| URL | Uniform Registration Language
| Others |
| URL | Uniform Requirement Location
| Others |
| URL | Uniform Resource Locator
| Internet |
| URL | Uniform Route Locator
| Others |
| URL | Unique Reference Label
| Others |
| URL | Universal Reader Line
| Others |
| URL | Universal Republic of Love
| Others |
| URL | Universidad Rafael LandÃvar
| Others |
| URL | Universitat Ramon Llull
| Others |
| URL | Unknown Reference Location
| Others |
| URL | Unwrapped Red Licorice
| Others |
| URL | Upper Range Limit
| Others |
| URL | Upper Rate Limit
| Others |
| URL | Upper Reference Limit
| Others |
| URL | User Really Lost
| Others |
| URL | User Route List
| Others |
| URL | Usually Rad Libbys
| Others |
| URL | web address
| Others |
| URL | You aRe Ill
| Others |
| URL | You aRe Loco
| Others |
| URL | You Are Lonely
| Others |
| URL | You Are Loser
| Others |
| URL | You Are Lovely
| Others |
| URL | You Are The Lard
| Others |