
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.
Chiyonoyama Masanobu was a Japanese professional sumo wrestler from Fukushima, Hokkaidō. He was the sport's 41st yokozuna from 1951 until 1959. He is regarded as the first "modern" yokozuna in that he was promoted by the Japan Sumo Association itself and not the House of Yoshida Tsukasa. He was the first yokozuna from Hokkaidō, which was also the birthplace of the subsequent yokozuna Yoshibayama, Taihō, Kitanoumi and his own recruits Kitanofuji and Chiyonofuji. After his retirement he left the Dewanoumi group of stables and founded Kokonoe stable in 1967. He died in 1977 while still an active stablemaster.
Chiyotaikai Ryūji, is a Japanese former sumo wrestler. He made his professional debut in 1992 and reached the top makuuchi division in 1997. He held the second highest rank of ōzeki or champion for 65 consecutive tournaments from 1999 until 2009, making him the longest serving ōzeki in the modern era. He won three top division yūshō or tournament championships, and was a runner-up on seven other occasions. However, he also held the dubious record of being in danger of demotion from ōzeki fourteen times. He wrestled for Kokonoe stable until his retirement in January 2010 at the age of 33. He remained in sumo as a coach at his stable, and became the head coach in August 2016 following the death of Chiyonofuji.

Daiju Hisateru is a former sumo wrestler from Hokkaidō, Japan. His highest rank was ōzeki, but he held the rank for only five tournaments, fewer than any ōzeki in the modern era. He won eleven sanshō or special prizes during his top division career which lasted from 1970 to 1977. He was the head coach of Asahiyama stable from 1997 until 2015.

Futatsuryū Jun'ichi was a sumo wrestler from Hokkaidō, Japan. After retirement he became the head coach of Tokitsukaze stable. Following his involvement in the hazing and death of trainee Takashi Saito, in October 2007 he became the first serving stablemaster to be dismissed by the Japan Sumo Association. In May 2009 he was sentenced to six years in prison. He died on August 12, 2014 of lung cancer.

Hokutoumi Nobuyoshi is a Japanese former professional sumo wrestler from Hokkaidō. He was the sport's 61st yokozuna and won eight top division championships. He wrestled for Kokonoe stable, as did Chiyonofuji, and the two were the first yokozuna stablemates to take part in a play-off for the championship, in 1989. After a number of injury problems he retired in 1992, and is now the head coach of Hakkaku stable. In November 2015 he was appointed chairman of the Japan Sumo Association, following the death of Kitanoumi, initially to serve until the end of March 2016. He was then elected as head for a full term by his fellow board members in a vote held on March 28, 2016, and re-elected in 2018 and 2020.

Ichiyamamoto Daiki is a Japanese professional sumo wrestler from Iwanai, Hokkaido.
Kitabayama Hidetoshi was a former sumo wrestler and coach from Muroran, Hokkaidō, Japan. His highest rank was ōzeki.
Kitanofuji Katsuaki is a former Japanese professional sumo wrestler from Asahikawa, Hokkaidō. He made his professional debut in 1957, reaching the top makuuchi division in 1964. He was the sport's 52nd yokozuna, a rank he attained in 1970. He won ten tournament championships and was known for his rivalry with Tamanoumi. He retired in 1974 and was the head coach of Kokonoe stable from 1977 to 1992. He left the Japan Sumo Association in 1998 but is still prominent in the sumo world as a commentator as of 2021.
Kitanonada Noboru, born Noboru Ogata, was a sumo wrestler from Abashiri, Hokkaido, Japan. His highest rank was sekiwake. He was ranked in the top makuuchi division from 1950 until 1962 and earned ten gold stars for defeating yokozuna. After his retirement from active competition he was an elder of the Japan Sumo Association and worked as a coach at Tatsunami stable until his mandatory retirement in 1988 upon reaching 65 years of age. He then became a sumo TV commentator.
Kitanoumi Toshimitsu , born Toshimitsu Obata , was a Japanese professional sumo wrestler. He was the dominant wrestler in the sport during the 1970s. Kitanoumi was promoted to yokozuna at the age of 21, becoming the youngest ever to achieve sumo's top rank. He won 24 tournament championships during his career and was one of a series of truly great yokozuna who came from Hokkaido, the largest and northernmost prefecture of Japan. At the time of his death he still held the records for most tournaments at yokozuna (63) and most bouts won as a yokozuna (670), but they have since been surpassed. Following his retirement in 1985 he established the Kitanoumi stable. He was chairman of the Japan Sumo Association from 2002 until 2008, and again from 2012 until his death.
Kitaseumi Hiromitsu is a former sumo wrestler from Kitahiyama, Hokkaidō, Japan. He made his professional debut in July 1964, and reached the top division in March 1972. His highest rank was sekiwake. He retired in May 1979 and was active elder in the Japan Sumo Association under the name Kimigahama. As Kimigahama-oyakata he first coached at Kokonoe stable, but moved to Hakkaku stable when it was started up by former Kokonoe wrestler Hokutoumi in 1993. He reached the Sumo Association's mandatory retirement age of 65 in July 2013. The Kimigahama toshiyori-kabu was acquired by Hakkaku wrestler Okinoumi in October 2013.

Kōtetsuyama Toyoya , born Kōnoshin Suga , was a sumo wrestler from Otaru, Hokkaidō, Japan. His highest rank was sekiwake. After his retirement he became an elder of the Japan Sumo Association and the head coach of Onaruto stable.
Kyokutaisei Takuya is a Japanese professional sumo wrestler from Asahikawa, Hokkaido. His debut in maezumō was in January 2008, and his first makuuchi division honbasho was the Natsu tournament in May 2018. His highest rank has been maegashira 8. He has one special prize for Fighting Spirit. He is a member of Tomozuna stable.
Myōbudani Kiyoshi is a former sumo wrestler from Akan, Hokkaidō, Japan. He was a member of Miyagino stable. His highest rank was sekiwake and he twice took part in playoffs for the top makuuchi division tournament championship or yūshō. He was also a runner-up in two other tournaments. He earned eight sanshō or special prizes for his achievements in tournaments, four for Outstanding Performance and four for Fighting Spirit. He also earned three kinboshi or gold stars for defeating yokozuna. After his retirement in 1969 he was an elder of the Japan Sumo Association but left the sumo world in 1977 to become a Jehovah's Witness.
Nayoroiwa Shizuo was a Japanese sumo wrestler from Nayoro, Hokkaidō, Japan.
Ōhikari Sadayuki was a sumo wrestler and coach from Kamiiso, Hokkaido, Japan. He made his professional debut in January 1944, reaching the top makuuchi division in 1950. His highest rank was komusubi. He was a runner-up in the May 1956 tournament and earned five kinboshi or gold stars for defeating yokozuna during his career. He retired in 1963 and became an elder of the Japan Sumo Association under the name Ōnomatsu Oyakata, working as a coach at Dewanoumi stable. He died in 1996 at the age of 68.

Ōnokuni Yasushi is a Japanese former professional sumo wrestler from Hokkaidō. Making his professional debut in 1978, he reached the top division in 1983. In 1987 he won his first yūshō or tournament championship with a perfect record and became the sport's 62nd yokozuna. However, he was only able to win one more championship before his retirement in 1991. He has remained in sumo as a coach and in 1999 became the head of Shibatayama stable. He was elected to the Japan Sumo Association's board of directors in 2018.
Haguroyama Sojō, born as Osamu Annen was a Japanese sumo wrestler from Hokkaidō.

Tachihikari Denemon was a Japanese professional sumo wrestler from Mikasa, Hokkaido. His highest rank was ōzeki. He was a member of the Tomozuna and Takasago stable. After retiring in 1927 he was an elder of the Japan Sumo Association under the name of Naruto (鳴戸).
Taihō Kōki was a Japanese professional sumo wrestler. He became the 48th yokozuna in 1961 at the age of 21, the youngest ever at the time.
Wakanohana Kanji I was a Japanese professional sumo wrestler. He was the sport's 45th yokozuna. He was a popular wrestler and was nicknamed the "Devil of the Dohyō" due to his great fighting spirit and endurance.

Yago Takanori is a Japanese professional sumo wrestler from Memuro, Hokkaido. He was an amateur champion at Chuo University and won the Amateur Yokozuna title at the All-Japan Sumo Championships in December 2016. He made his professional debut in May 2017, joining Oguruma stable. He reached the jūryō division in September 2017 and the top makuuchi division in January 2019. His highest rank has been maegashira 10.
Yoshibayama Junnosuke , real name Ikeda Junnosuke , was a Japanese professional sumo wrestler from Atsuta District, Hokkaido. He was the sport's 43rd yokozuna. He suffered a number of injuries and only won one tournament championship, but was a popular wrestler. He was a runner-up five times, and earned three special prizes and two gold stars in his top division career. After his retirement in 1958 he revived and led the Miyagino stable until his death in 1977.