Two Japanese warships have borne the name Kotaka:
- Japanese torpedo boat Kotaka, a torpedo boat launched in 1888 and stricken in 1927
- Japanese gunboat Kotaka, a gunboat launched in 1930 and sunk in 1944
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.