ARA Bahía Buen Suceso (B6) was a 5,000-ton fleet transport that served in the Argentine Navy from 1950 to 1982. She took part of the Falklands War () as a logistics ship tasked with resupplying the Argentine garrisons scattered around the islands. Captured by British forces on 15 June after running aground at Fox Bay, she sank in deep waters while being used as target practice by the Royal Navy on 21 October 1982.