Yuu Hayashi (林 勇, Hayashi Yū, born April 2, 1983) is a Japanese voice actor (seiyuu) and singer from the city of Zama, Kanagawa Prefecture. He is affiliated with Ken Production. He began his career as a child actor and was then affiliated with the agency Himawari Theater Group. Since 2013, he has been the vocalist of Screen Mode, a band signed with Lantis. He has blood type AB and is 164 cm tall.