Keitaro Izawa (伊澤 啓太郎, Izawa Keitarō; born July 4, 1976), better known by his stage name Ichiyo Izawa (伊澤 一葉, Izawa Ichiyō) is a Japanese pianist, vocalist and songwriter, best known for his work in the Ringo Sheena-helmed band Tokyo Jihen. He is also the lead vocalist and pianist of the band Appa.
