- Usambara Railway
- usance credit
- USB : universal serial bus
- USB connection
- USB Bluetooth adaptor
- USB controller
- USB printer
- USB disk drive
- USB device
- USB device driver
- USB cable
- USB mass storage , UMS
- USB mass storage drive , UMS
- USB scanner
- USB memory key
- USB specification
- USB standard
- USB drive
- USB driver
- Uzbekistani som , UZS
- Uzbek-speaking
- Ushgorod
- Usher's syndrome
- ushtrasana
- USS Abraham Lincoln , CVN-72
- USS Carl Vinson , CVN-70
- USS Dwight D. Eisenhower , CVN-69
- USS Enterprise , CVN-65
- USS Enterprise , CVN-80
- USS Forrestal , CV-59
- USS George H. W. Bush , CVN-77
- USS George Washington , CVN-73
- USS Gerald R. Ford , CVN-78
- USS Harry S. Truman , CVN-75
- USS John C. Stennis , CVN-74
- USS John F. Kennedy , CVN-79
- USS Kitty Hawk , CVN-63
- USS Nimitz , CVN-68
- USS Ronald Reagan , CVN-76
- USS Swordfish
- USS Theodore Roosevelt , CVN-71
- ussie
- Usinsk
- ustekinumab , CNTO 1275
- Uta
