Keito Okamoto is a Japanese singer and member of the J-pop group Hey! Say! JUMP. He is under the management of Johnny & Associates. He was born in Tokyo to Kenichi Okamoto, a former member of the rockband & Johnny's group Otokogumi and model Nishi Katsue.
He lived in England for almost four years until returning to the Tokyo Metropolitan Area and is currently the only member of Hey! Say! JUMP to speak fluent English. He plays guitar along with Hikaru Yaotome in their concerts.