Heian Maru

Heian Maru can refer to:
 * A number of steamships including:
 * SS Komagata Maru, a Japanese cargo ship in service 1924-26
 * SS Heian Maru (1902), a Japanese cargo ship in service 1930-33
 * SS Heian Maru (1917), a Japanese cargo ship in service 1917-45 or later
 * SS Heian Maru (1920), 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