Yu Hasebe (長谷部 優, Hasebe Yū, born 17 January 1986) is a Japanese actress, singer and model.
She was one of the original three members of the J-Pop group "Dream".
She debuted as a gravure idol in 2004.
She has also starred in a number of Japanese movies and TV dramas.
She was formerly a member of a unit called Kingyo with Nao Nagasawa and Aiko Kayō.