Akinoumi Setsuo, Japanese sumo wrestler, the 37th Yokozuna (died 1979)

Akinoumi Setsuo , born Nagata Setsuo , was a Japanese professional sumo wrestler from Hiroshima. He was the sport's 37th yokozuna.

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.