Miu Watanabe (born October 19, 1999) is a Japanese professional wrestler working for the promotion Tokyo Joshi Pro-Wrestling (TJPW). She is a former two-time Princess of Princess Champion, one-time International Princess Champion and one-time Princess Tag Team Champion, making her the second "Grand Slam" champion in TJPW history, as well as the winner of the 2025 Tokyo Princess Cup and 2022 "Futari wa Princess" Max Heart Tournament (alongside Daydream tag partner, Rika Tatsumi).