| Ungdomshuset | Ungdomshuset |
| unge | unger |
| ungefär | næsten |
| Ungern | Ungarn |
| Ungerns herrlandslag i fotboll | Ungarns fodboldlandshold |
| ungersk | ungarsk |
| Ungersk gulasch | Gullasæ |
| ungerska | ungarer |
| Ungerska runor | Ungarske runer |
| Unghegelianer | Unghegelianerne |
| ungicid | svampedræbende middel |
| ungkarl | ungkarl |
| ungmö | ungmo |
| ungrare | ungarer |
| Unicef | UNICEF |
| Unicode | Unicode |
| Unidad Popular | Unidad Popular |
| Uniejów | Uniejów |
| Uniform Resource Identifier | Uniform Resource Locator |
| Uniform Resource Locator | URL |
| UNII-banden | UNII-bånd |
| Unikod | Unicode |
| Unilever | Unilever |
| Unimog | Unimog |
| union | union |
| Union démocratique bretonne | Bretonsk Demokratisk Sammenslutning |
| Union internationale des chemins de fer | UIC |
| Union Jack | Storbritanniens flag |
| Unionsflagga | Storbritanniens flag |
| UNITA | UNITA |
| Unitarism | Unitarisme |
| United Airlines | United Airlines |
| United Methodist Church | Metodisme |
| United Nations Environment Programme | United Nations Environment Programme |
| United Nations Framework Convention on Climate Change | UNFCCC |
| United Nations Office on Drugs and Crime | United Nations Office on Drugs and Crime |
| United States Air Force | United States Air Force |
| United States Army | United States Army |
| United States dollar | Amerikanske dollar |
| United States Military Academy | West Point |
| Universal Media Disc | Universal Media Disc |
| Universal Product Code | Universal Product Code |
| Universal Studios | Universal Studios |
| Universala Esperanto-Asocio | UEA |
| Universaliestriden | Striden om almenbegreberne |
| universitet | universitet |
| Universitetet i Cambridge | Cambridge Universitet |
| Universitetet i Leiden | Universiteit Leiden |
| Universitetet i Oslo | Universitetet i Oslo |
