Shūji Ishikawa (born September 25, 1975) is a Japanese professional wrestler currently signed to Pro-Wrestling Evolution (EVO). He is best known for his tenures in DDT Pro-Wrestling, where he became a four-time KO-D Openweight Champion, and All Japan Pro-Wrestling (AJPW), where he became a one-time Triple Crown Champion and five-time AJPW World Tag Team Champion. He has also appeared regularly across the Japanese independent scene, including for Big Japan Pro-Wrestling (BJW), Pro-Wrestling BASARA, Pro Wrestling ZERO1 and Pro Wrestling NOAH.