Kei Inou (伊野尾 慧 Inō Kei, born June 22, 1990), is a Japanese singer as member of Hey! Say! JUMP. He is under the management of Johnny & Associates. He was born in Saitama and lives in the Tokyo Metropolitan Area. He plays the piano in Hey! Say! JUMP's song Star Time when performed live.
For Hey! Say! JUMP-related appearances, please see Hey! Say! JUMP.