Tatsuo Kamon (?? ??, Kamon Tatsuo), real name Tatsuo Torikai (?? ??, Torikai Tatsuo), is a Japanese singer-songwriter born 25 March 1959 in Ibaraki, Osaka Prefecture, Japan.
He is represented by the talent management firm Daikan'yama Production, and releases works through Daipro-X, a record company which is a subsidiary of Daikan'yama. He made his professional singer-songwriter debut in 1983 by winning two major awards and being named the "Rookie of the Year" for his single Yankee no Niichan no Uta (????????????, Yanki no Niichan no Uta).