SS Seiko Maru

A number of steamships have been named Seiko Maru, including:


 * SS Seiko Maru (1890),
 * SS Seiko Maru (1898), 108 GRT
 * SS Seiko Maru (1909), 3,099 GRT
 * SS Seiko Maru (1917), 371 GRT
 * SS Seiko Maru (1935), 240 GRT
 * SS Seiko Maru (1938), 164 GRT
 * SS Seiko Maru (1940), 5,385 GRT