Azumafuji Kin'ichi, Japanese sumo wrestler, the 40th Yokozuna (died 1973)

Azumafuji Kin'ichi was a Japanese professional sumo wrestler from Taitō, Tokyo. He was the sport's 40th yokozuna, and later a professional wrestler.

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.