| United States Marine Corps | United States Marine Corps |
| United States Military Academy | Accademia Militare degli Stati Uniti |
| United States military chocolate | Cioccolato delle forze armate statunitensi |
| United States motorcycle Grand Prix | Gran Premio motociclistico degli USA |
| United States national basketball team | Dream Team |
| United States National Library of Medicine | National Library of Medicine |
| United States national rugby union team | Nazionale di rugby XV degli Stati Uniti |
| United States Navy | United States Navy |
| United States Navy Fighter Weapons School | United States Navy Fighter Weapons School |
| United States Navy SEALs | Navy SEALs |
| United States of America | Stati Uniti |
| United States presidential election | Elezioni presidenziali degli Stati Uniti |
| United States S class submarine | Classe S |
| United States Secret Service | United States Secret Service |
| United States Secretary of Defense | United States Department of Defense |
| United States Secretary of State | Segretario di Stato degli Stati Uniti |
| United States Securities and Exchange Commission | Securities and Exchange Commission |
| United States Senate | Senato degli Stati Uniti |
| United States Soccer Federation | Federazione calcistica degli Stati Uniti |
| United States Virgin Islands | Isole Vergini americane |
| United States Virgin Islands national soccer team | Nazionale di calcio delle Isole Vergini Americane |
| United States-Mexico barrier | Barriera di separazione tra Stati Uniti e Messico |
| United Suvadive Republic | Isole Suvadive |
| United Technologies Corporation | United Technologies Corporation |
| United World Chart | United World Chart |
| unites | unito |
| uniting | unione |
| unitive | unitivo |
| unity | intero |
| Unity Module | Unity Module |
| Unity Party | Unity Party |
