title: Riichi
text: # Riichi
  
  Riichi (written: 利一 or 理一) is a masculine Japanese given name. Notable people with the name include:
  
  * Riichi Sekiyama (関山 利一, 1909–1970), Japanese Go player
  * Riichi Takeshita (武下 利一, born 1989), Japanese badminton player
  * Riichi Ueshiba (植芝 理一, born 1969), Japanese manga artist
  * Riichi Yokomitsu (横光 利一, 1898–1947), Japanese writer
  