Mitsuo Hata (September 12, 1948 – October 27, 1991), better known by his ring name Rocky Hata was a Japanese professional wrestler who competed in All Japan Pro Wrestling during the 1970s & 1980s. He also competed in the United States in promotions such as NWA Tri-State, Championship Wrestling from Florida, Georgia Championship Wrestling, Central States Wrestling, & St. Louis Wrestling Club.