Yū Ōno (born July 19, 1991), better known by her ring name Yuu, is a Japanese retired professional wrestler. She is best known for her tenures with the Japanese professional wrestling promotions Sendai Girls' Pro-Wrestling and Tokyo Joshi Pro-Wrestling (TJPW), and her multiple championship-winning tag team with Chihiro Hashimoto as Team 200kg. She also made frequent freelancing appearances across the Japanese independent scene, including for World Wonder Ring Stardom, Professional Wrestling Just Tap Out (JTO), PURE-J and DDT Pro-Wrestling.
