Ōshio Kenji (born 4 January 1948 as Kenji Hatano) is a former sumo wrestler from Kitakyushu, Japan. His highest rank was komusubi. His career lasted twenty six years, from 1962 until 1988, and he holds the record for the most bouts contested in professional sumo. After his retirement at the age of 40 he became an elder of the Japan Sumo Association and set up Shikihide stable in 1992. He left the Sumo Association upon turning 65 in 2013.