| Union J | Union of International Associations | Union of South Africa |
| Union Springs, Alabama | Union Square | Union Theological Seminary (New York City) |
| Union, Alabama | Union, South Carolina | Uniondale, New York |
| Unionidae | Unionpay | UnionPay |
| Uniontown, Alabama | UNIPER | UniProt |
| Uniprot | UniProt Knowledgebase | UNIQ |
| Uniqlo | UNIQLO | Unique |
| Uniscribe | Unison | UNISON SQUARE GARDEN |
| Unistalda | Unistd.h | Unisys |
| UNITA | Unitary group | UNITE! |
| United Airlines | United Arrows | United Artists |
| United Asia Management | United Baltic Duchy | United Biscuits |
| United Breaks Guitars | United Buddy Bears | United Church of Christ |
| United Cube | United Express | United Federation of Planets |
| United Front Games | United Game Artists | United Health |
| United Health Group | United Healthcare | United International Bank |
| United Kingdom | United Kingdom Census 2001 | United Kingdom of Great Britain and Ireland |
| United Kingdom of Great Britain and Northern Ireland | United Linux | United Methodist Church |
| United Microelectronics Corporation | United Nations | United Nations Commission on the Status of Women |
| United Nations Development Program | United Nations Development Programme | United Nations Economic Commission for Europe |
| United Nations Human Settlements Programme | United Nations Office for the Coordination of Humanitarian Affairs | United Nations Security Council |
| United Nations Supervision Mission in Syria | UNITED NON-FERROUS (OVERSEAS) LIMITED | United Press International |
| UNITED SHADOWS | United States | United States Air Force |
| United States Census Bureau | United States Census, 2000 | United States Chamber of Commerce |
| United States Democratic Party | United States Department of Agriculture | United States Department of Commerce |
| United States Department of Homeland Security | United States Department of State | United States Department of the Interior |
| United States dollar | United States Environmental Protection Agency | United States Food and Drug Administration |
| United States Geological Survey | United States Grand Prix | United States House of Representatives |
| United States Marine Corps | United States Marshals Service | United States men's national soccer team |
| United States National Library of Medicine | United States Naval Observatory | United States of America |
| United States of Tara | United States of the Ionian Islands | United States Patent and Trademark Office |
| United States Postal Service | United States Republican Party | United States Senator |
| United States Supreme Court | United States v. Leon | United States v. Windsor |
| United States Virgin Islands national soccer team | UnitedHealth | UnitedHealth Group |
| UnitedHealthcare | UnitedLinux | Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terroism Act of 2001 |
| Unity | Unity (使用者介面) | Unity (用户界面) |
| Unity (游戏引擎) | Unity (海底光缆) | Unity 5 |
| Unity Linux | Unity3D | Unity引擎 |
| Unity界面 | UNIVAC | UNIVAC I |
| Univers | Universal | Universal app |
| Universal Character Set | Universal Declaration of Human Rights | Universal Design |
| Universal Flash Storage | Universal Furniture | Universal Media Disc |
| Universal Music | Universal Music Group | Universal Network Objects |
| Universal Orlando | Universal Orlando Resort | Universal Pictures |
| Universal Plug and Play | Universal Records | Universal Serial Bus |
| Universal Studios | Universal Television | Universal Windows Platform |
| Universally Unique Identifier | Universe | Universe (EXO迷你專輯) |
| Universe (樂團) | UNIVERSE 世界少年 | Universe Today |
| Universidad Nacional Mayor de San Marcos | Universitas 21 | Universitatea din Bucureşti |
| Università degli Studi di Padova | Università di Bologna | Universität Bochum |
| Universität Freiburg | Université de Pau et des Pays de l'Adour | Universitetssenteret på Svalbard |
| Universities UK | University Athletic Association | University Centre in Svalbard |
| University College Cork | University College London | University College, Cork |
| University College, London | University Global Partnership Network | University of Aberdeen |
| University of Alabama at Birmingham | University of Applied Arts Vienna | University of Applied Sciences Fulda |
| University of Arizona | University of Basel | University of Bedfordshire |
| University of Berlin | University of Bern | University of Birmingham |
| University of Bolton | University of Bristol | University of British Columbia |
| University of Buenos Aires | University of Calcutta | University of Calgary |
| University of California | University of California, Berkeley | University of California, Los Angeles |
| University of California, San Diego | University of California, Santa Barbara | University of Cambridge |
| University of Chicago | University of Chicago Press | University of Colorado Boulder |
| University of Colorado-Boulder | University of Connecticut | University of Copenhagen |
| University of Denver | University of Dhaka | University of East London |
| University of Edinburgh | University of Essex | University of Exeter |
| University of Florida | University of Göttingen | University of Graz |
| University of Greifswald | University of Hawaii | University of Hawaii Press |
| University of Heidelberg | University of Hong Kong | University of illinois at urbana-champaign |
| University of Illinois at Urbana-Champaign | University of Kang Ning | University of Kansas |
| University of Kentucky | University of Leeds | University of Leiden |
| University of Liberia | University of London | University of Manchester |
| University of Manitoba | University of Massachusetts Amherst | University of Melbourne |
| University of Miami | University of Michigan | University of Milan |
| University of Minnesota | University of Missouri | University of New Mexico |
| University of New South Wales | University of North Carolina | University of North Carolina at Chapel Hill |
| University of Nottingham | University of Oxford | University of Pennsylvania |
| University of Phoenix | University of Pittsburgh | University of Portland |
| University of Queensland | University of Richmond | University of Rochester |
| University of Roehampton | University of Salford | University of Saskatchewan |
| University of Southampton | University of Southern California | University of Stellenbosch |
| University of Strasbourg | University of Sussex | University of Sydney |
| University of Tasmania | University of Tübingen | University of Texas at Austin |
| University of Texas at Dallas | University of Texas Rio Grande Valley | University of the Arts London |
| University of Toledo | University of Toronto | University of Uppsala |
| University of Utah | University of Utrecht | University of Vermont |
| University of Waterloo | University of Western Australia | University of Western Ontario |
| University Station | Universum Film GmbH | UNIX |
| Unix | Unix domain socket | Unix File System |
| Unix shell | Unix Shell | UNIX System III |
| UNIX System V | Unix-like | UNIX-Like |
| UNIX-LIKE | Unix域套接字 | Unix实用程序列表 |
| Unix守護進程列表 | Unix工具列表 | Unix信号 |
| Unix命令列表 | Unix哲学 | UNIX环境高级编程 |
| Unix程序设计艺术 | Unix类 | Unix系统实验室 |
| UNIX系统实验室 | Unix纪年 | UNIX纪年 |
| Unix纪元 | Unix编程艺术 | UNIX環境高級編程 |
| Unix风格 | Unixlike | Unix檔案系統 |
| Unix文件系统 | UNIX时间 | UNIX操作系统 |
| UNIX時間 | Unix時間 | UNIZH |
| UNJASH | Unken | Unknown |
比浏览器更快的访问！
