Chiyonofuji Mitsugu , born Mitsugu Akimoto , was a Japanese professional sumo wrestler and the 58th yokozuna of the sport. Following his retirement as a wrestler, he was the stable master of Kokonoe stable until the time of his death.

Makuuchi (幕内), or makunouchi (幕の内), is the top division of the six divisions of professional sumo. Its size is fixed at 42 wrestlers (rikishi), ordered into five ranks according to their ability as defined by their performance in previous tournaments.