Mayu Watanabe (渡辺 麻友 Watanabe Mayu, born March 26, 1994 in Saitama Prefecture) is a member of the Japanese idol girl group AKB48, under Team B. She debuted with AKB48's Team B and has been featured on most of the group's singles title tracks. She is a member of AKB48's subgroups Watarirouka Hashiritai (now disbanded),Team Dragon, and NO NAME. She has also released four solo singles.