USS Liberty may refer to:
USS Liberty (1775), an American Revolutionary War ship
USS Liberty (ID-3461), was an animal transport launched in June 1918 and decommissioned in May 1919, and as USAT Liberty, a United States Army transport ship sunk in 1942
USS Liberty (AGTR-5), which was attacked in a controversial friendly fire incident
Other
USS Liberty III (SP-1229), a patrol vessel in commission from 1917 to 1919
