| urusel | terrible |
| urval | variety |
| Urvalsaxiomet | Axiom of choice |
| Urvalsfel | Selection bias |
| urvattnad | watered-down |
| urverk | clockwork |
| urvisare | watch-hand |
| urvuxen | outgrown |
| uråldrig | ancient |
| US | US |
| US Air Force | United States Air Force |
| US Army Air Forces | United States Army Air Forces |
| US Boulogne | US Boulogne |
| US Créteil-Lusitanos | US Créteil-Lusitanos |
| US Marine Corps Memorial | USMC War Memorial |
| US Marshals | United States Marshals Service |
| US Open i tennis | US Open |
| US-dollar | United States dollar |
| USA | America |
| USA och Frankrike kräver att Syrien lämnar Libanon | US and France ask Syria to leave Lebanon |
| USA-East Grand Prix | United States Grand Prix East |
| USA-West Grand Prix | United States Grand Prix West |
| Usagi Yojimbo | Usagi Yojimbo |
| Usama bin Ladin | Osama bin Laden |
| usans | usance |
| USB | Universal Serial Bus |
| USB-minne | USB flash drive |
| USB-port | USB port |
| USB-sticka | flash drive |
| usch | whew |
| Uschi Disl | Uschi Disl |
| USDA | United States Department of Agriculture |
| Usedom | Usedom |
| usel | detestable |
| uselhet | baseness |
| Usenet | Usenet |
| Userkaf | Userkaf |
| Userkara | Userkare |
| USGS | United States Geological Survey |
| Ushas | Ushas |
| Ushuaia | Ushuaia |
| usjanka | ushanka |
| Uskoker | Uskoks |
| Uslar | Uslar |
| usling | wretch |
| Usolje-Sibirskoje | Usolye-Sibirskoye |
| USPD | Independent Social Democratic Party of Germany |
| USS Akron | USS Akron |
| USS Arizona | USS Arizona |
| USS Enterprise | USS Enterprise |
| USS Indianapolis | USS Indianapolis |
| USS Kitty Hawk | USS Kitty Hawk |
| USS Lexington | USS Lexington |
| USS Monitor | USS Monitor |
| USS Nautilus | USS Nautilus |
| USS Ronald Reagan | USS Ronald Reagan |
| USS Voyager | USS Voyager |
| Ussia | Uzziah of Judah |
| USSR | USSR |
| Ussurijsk | Ussuriysk |
| Ust-Ilimsk | Ust-Ilimsk |
| Ust-Ordynska Burjatien | Ust-Orda Buryat Autonomous Okrug |
| Ust-Ordynskij | Ust-Ordynsky |
| Ustaša | Ustaše |
| Ustiurtplatån | Ustyurt Plateau |
| Ustka | Ustka |
| usurpator | usurper |
| usurpera | usurp |
| ut | outward |
