Date of Birth: 
About Kiyokuni Katsuo
- Kiyokuni Katsuo (born 20 November 1941 as Tadao Sato) is a former sumo wrestler from Ogachi, Akita, Japan.
- His highest rank was ozeki, which he held from 1969 to 1974.
- He won one top division yusho or tournament championship and was a runner-up in five other tournaments.
- He also earned seven special prizes and seven gold stars.
- After his retirement he was the head coach of Isegahama stable.
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