SS Ellengowan was a schooner rigged, single screw steamer built by Akers Mekaniske Værksted in Christiania (Oslo) Norway, under her original name, Nøkken. The vessel was powered by sail and a vertical direct acting steam engine. Ellengowan sank at its moorings, unmanned, during the night of 27 April 1888 in Port Darwin and was abandoned.