USS Oberon (AK-56/AKA-14/T-AKA-14/LKA-14) was a Arcturus-class attack cargo ship in the United States Navy. She was named after Oberon, one of the moons of the planet Uranus. Oberon (AK–56), originally named Delalba (MC hull 133), was built at Federal Shipbuilding and Drydock Company, Kearny, New Jersey; renamed Oberon 16 February 1942; launched 18 March 1942; sponsored by Mrs. W. Creighton Peet; acquired by the Navy 15 June 1942, commissioned the same day, Comdr. Ion Purcell in command.