Satoru Kitaoka
 Satoru Kitaoka (北岡悟 Kitaoka Satoru born 4 February 1980) is a Japanese mixed martial artist. He has fought the majority of his career as a Welterweight for Pancrase but moved down to Lightweight in 2008 when he joined MMA promotion World Victory Road. Kitaoka is renowned for his submission grappling abilities and is the reigning Brazilian jiu-jitsu and No-Gi Open Champion in both the 79.7-kilogram (176 lb) and Absolute divisions.