Heian Maru can refer to: A number of steamships including: SS Komagata Maru, a Japanese cargo ship in service 1924-26 , a Japanese cargo ship in service 1930-33 , a Japanese cargo ship in service 1917-45 or later , a Japanese cargo ship in service 1920-44 Heian Maru, a Japanese ocean liner launched in 1930 and sunk in 1944 while serving as a submarine tender MV Heian Maru, a number of ships with this name