Kainoyama Isamu

Sumo wrestler (1940-1997)

海乃山勇

Born

28 June 1940

Died

5 July 1997

Citizenship

Japan, Empire of Japan

Sport

sumo

Occupation

rikishi

Kainoyama Isamu (born Isamu Irii; June 28, 1940 – July 5, 1997) was a sumo wrestler from Ryūgasaki, Ibaraki, Japan. He made his professional debut in May 1955, and reached the top division in January 1961. His highest rank was sekiwake. Upon retirement from active competition he became an elder in the Japan Sumo Association under the name Onogawa. He left the Sumo Association in September 1971.

External links

• Wikipedia
• Wikidata

Facts from Wikidata Q11558732 (CC0); quoted introduction from English Wikipedia (CC BY-SA 4.0). Data retrieved 2026-10-22.

Data: Wikidata (CC0 1.0); Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.