Hakuyo Maru may refer to the following ships:
- Japanese survey ship Hakuyo Maru, World War II-era Japanese survey ship
- Japanese submarine chaser Hakuyo Maru, World War II-era Japanese submarine chaser
- Japanese cargo ship Hakuyo Maru (1942), World War II-era Japanese cargo ship
- Japanese cargo ship Hakuyo Maru (1944), World War II-era Japanese cargo ship
- Japanese transport ship Hakuyo Maru (1942), World War II-era Japanese transport ship
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.