Riichi
Riichi is a masculine Japanese given name. Notable people with the name include:
- Riichi Sekiyama, Japanese Go player
- Riichi Takeshita, Japanese badminton player
- Riichi Ueshiba, Japanese manga artist
- Riichi Yokomitsu, Japanese writer
Fictional character
- Riichi Miura, a character from the manga and anime ''The Ancient Magus' Bride''