A number of steamships have been named Seiko Maru, including:
- SS Seiko Maru (1890), 137 GRT
- 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
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.