Shiro Matsumoto (松本志朗, Matsumoto Shirō, born June 23, 1993) is a Japanese Muay Thai fighter and kickboxer. He is the former ISKA World Bantamweight champion and the 2020 RISE Dead or Alive tournament winner. As of August 2021, he is the #3 ranked Flyweight and #2 ranked strawweight in the world by Combat Press.