| USD | U S Dollar 
| Others |
| USD | U.S. Direct Hire Civilians
| Others |
| USD | Ugur Sahin Design
| Others |
| USD | Uintah School District
| Others |
| USD | Ultrasonic Silent Drive
| Others |
| USD | Uncle Sugar Daddy
| Others |
| USD | Under Secretary of Defense
| Others |
| USD | Understanding Society dataset
| Others |
| USD | Unicenter Service Desk
| Others |
| USD | Unified School District
| Others |
| USD | Unified Service Desk
| Others |
| USD | Unified Storm Dominions
| Others |
| USD | Unified System Division
| Others |
| USD | Uniformly Strongly Daugavet
| Others |
| USD | Union for Sustainable Development
| Others |
| USD | Union Sub District
| Others |
| USD | United School District
| Others |
| USD | United Skate Design
| Others |
| USD | United States Dollar
| Currency |
| USD | United States Dollars
| Others |
| USD | United States of Desperation
| Others |
| USD | Univ of South Dakota
| Others |
| USD | Universal Scene Description
| Others |
| USD | Universal Service Directive
| Others |
| USD | Universal Skate Design
| Others |
| USD | University of San Diego
| Others |
| USD | University of South
| Others |
| USD | University of South Dakota
| Others |
| USD | University of Spoiled Daughters
| Others |
| USD | Unknown Standard Deviation
| Others |
| USD | Unterzee Dialafon
| Others |
| USD | Until Shift Detected
| Others |
| USD | Upside-Down
| Others |
| USD | Urban Sanitary District
| Others |
| USD | US Dollar
| Others |
| USD | User Solution Definition
| Others |
| USD | User Supplementary Document
| Others |
| USD | User's Supplementary Documents
| Others |
| USD | Users Supplementary Documents
| Others |