Mystery Ship may refer to:
Travel Air Type R Mystery Ship, an early model of racing airplane The Mystery Ship, a 1917 serial adventure film Vetter Mystery Ship, a limited-edition motorcycle from 1980 Mystery Ship (film), a 1941 American film by Columbia Pictures Q-ship, a type of armored merchant ship Mystery airship, a 19th-century term for an unidentified flying object
See also Mary Celeste, an 1861 sailing vessel found mysteriously abandoned at sea "Ride Captain Ride", a 1970 popular song that features the phrase in its refrain