| UWC | Ukrainian World Congress 
| Others |
| UWC | Unanimous Written Consent
| Others |
| UWC | Undergraduate Writing Center
| Others |
| UWC | UnderWater Camera
| Others |
| UWC | Underwater Communication System
| Others |
| UWC | Unemployment and Workers' Compensation
| Others |
| UWC | Unemployment Workers Compensation
| Others |
| UWC | United Wagon Company
| Others |
| UWC | United Warehouse Company
| Others |
| UWC | United With Christ
| Others |
| UWC | United Workers Congress
| Others |
| UWC | United World College
| Others |
| UWC | United World Colleges
| Others |
| UWC | United Wrestling Coalition
| Others |
| UWC | Universal Weapons Carrier
| Others |
| UWC | Universal Wiki Converter
| Others |
| UWC | Universal Wireless Communications
| Others |
| UWC | Universal Wireless Consortium
| Others |
| UWC | Universal Wrestling Corporation
| Others |
| UWC | University of the Western Cape
| Others |
| UWC | University of Western Cape
| Others |
| UWC | University of Wisconsin Colleges
| Others |
| UWC | University wide Committee
| Others |
| UWC | University Wide Committees
| Others |
| UWC | University Writing Center
| Others |
| UWC | University Writing Course
| Others |
| UWC | University-Wide Committee on Sexual Misconduct
| Others |
| UWC | Urban Water Consortium
| Others |
| UWC | Utah Whitewater Club
| Others |
| UWC | Utah Wilderness Coalition
| Others |
| UWC | UW Washington
| Others |
| UWC | UW Washington County
| Others |