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''