Two ships of the Japanese Navy have been named Hagi:
- Japanese destroyer Hagi (1920), a Momi-class destroyer launched in 1920 she was renamed Patrol Boat No.33 in 1940 and lost in 1941.
- Japanese destroyer Hagi (1944), a Tachibana-class destroyer launched in 1944 and scrapped in 1947.
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.