At least two warships of Japan have been named Setoshio:
- JDS Setoshio (SS-575), a Yūshio-class submarine launched in 1981 and struck in 2001
- JS Setoshio (SS-599), an Oyashio-class submarine launched in 2007
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.