List of Famous people with last name Katsuo

Kiyokuni Katsuo is a former sumo wrestler from Ogachi, Akita, Japan. His highest rank was ōzeki, which he held from 1969 to 1974. He won one top division yūshō 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.

Yutakayama Katsuo is a former sumo wrestler from Niigata, Japan. His highest rank was ōzeki. Although he never won a top division tournament championship he was a runner-up on eight occasions. Before wrestling professionally he was an amateur champion at Tonodai University and he was the first former collegiate competitor to reach the ōzeki rank. After retirement he was head coach of the Tokitsukaze stable. From 1998 until 2002 he was the chairman (rijichō) of the Japan Sumo Association.