Ranmaru may refer to:
*
Mori Ranmaru (森 蘭丸, 1565–1582), attendant in the service of Oda Nobunaga
*
Ranmaru Morii
This is a list of fictional characters, main characters as well as some supporting characters from ''The Wallflower (manga), The Wallflower'', a Japanese manga that was also adapted into an anime series and a live-action drama. The manga's plot ...
, one of the leading characters of ''The Wallflower'' manga
* Ranmaru Shindo, one of the leading characters of the ''
Tokko'' manga
{{Disambig, given name
Japanese masculine given names