Hideki Saijō (西城 秀樹, Saijō Hideki, originally Tatsuo Kimoto (木本 龍雄, Kimoto Tatsuo); April 13, 1955 – May 16, 2018) was a Japanese singer and television celebrity most famous for singing the Japanese version of the Village People's hit song "Y.M.C.A.", called "Young Man". In the 1970s, he was called "New Big Three" (新御三家, shin gosanke) with Goro Noguchi and Hiromi Go. Although the original version was camp, Saijō's version was intended to seriously inspire "young men".
He is also known as Saijo Hideki.