| USB | USB |
| USB flash drive | Memoria USB |
| USB hub | Hub USB |
| USB mass storage device class | USB mass storage device class |
| USB port | puerto USB |
| USCGC Eagle | Águila |
| Uscio | Puerta |
| USDA soil taxonomy | Soil Taxonomy |
| use | gastar |
| Use case diagram | Diagrama de casos de uso |
| use force on | intimidar |
| use magic | hacer trucos mágicos |
| Use of the circumflex in French | Uso del acento circunflejo en francés |
| Use of Weapons | El uso de las armas |
| use something against someone | usar algo en contra de alguien |
| use sparingly | conservar |
| use the familiar form | tutear |
| use threats against | amenazar |
| use too much | exagerar |
| use up | gastar |
| Use-wear analysis | Trazalogía |
| used | usado |
| used to | soler |
| Usedom | Usedom |
| useful | positivo |
| useful idiot | idiota útil |
| usefull | util |
| usefully | útilmente |
| usefulness | uso |
| useless | infructuoso |
| uselessness | inutilidad |
| Usenet | Grupo de noticias |
| user | usuario |
| user interface | interfaz |
| User space | Espacio de usuario |
| user's guide | guía del usuario |
| user-friendliness | facilidad |
| user-friendly | fácil de utilizar |
| User-mode Linux | User Mode Linux |
| Userbar | Userbar |
| Userkaf | Userkaf |
| Userkare | Userkara |
| Userland | Espacio de usuario |
| username | nombre de usuario |
| Ushabti | Ushebti |
| ushanka | ushanka |
| Ushant | Ouessant |
| usher | sacristán |
| usherette | acomodadora |
| Ushuaia | Ushuaia |
| Ushuaia International Airport | Aeropuerto Internacional de Ushuaia Malvinas Argentinas |
| Using Firefox | Mozilla Firefox |
| Uskoreniye | Aceleración |
| USL First Division | USL First Division |
| Uslar | Uslar |
| USMC | Cuerpo de Marines de los Estados Unidos |
| Usnea | Usnea |
