Hiro could refer to:
- Hiro, the bandit Lord.
- Hiro, the bandit.
- Hiro, the member of the Tribe of Seppun.
- Hiro, the merchant at Tochigi.
- Kakita Hiro, the father of Kakita Maratai.
- Kakita Hiro, the main character in the novel Way of the Single Strike.
- Kasuga Hiro, son of Kasuga Eizan.
- Matsu Hiro, a Lion watchtower.
- Shosuro Hiro, the magistrate of Otosan Uchi.
- Tsuruchi Hiro, the Tsuruchi Master Bowman.