Mimu Satou is a Japanese female voice actor affiliated with the talent agency Aptepro. She is a graduate of the first generation of the Aptepro affiliated training school. Her birthday is on August 1, and she is from Miyagi Prefecture in Japan.

Satou has built a career primarily through supporting roles in various anime television series and original net animations. A significant body of her work is in the series My Next Life as a Villainess: All Routes Lead to Doom! In the first television season, she voiced a wide array of minor characters, including a chief maid, a young lady, a female student, a child, and an old woman. She also contributed to the OVA for the series, providing the voice for the character Keith's brother, and reprised the role of the chief maid in the second television season, My Next Life as a Villainess: All Routes Lead to Doom! X. Her other anime credits include a role in the 2023 television series Trigun Stampede.

Beyond television, Satou has also worked in original net animation. She notably voiced two characters in the ONA Ainu Teisōnin・ Kira Heijirō ～Ainu Nenoan Ainu～, playing both Mino and the child version of the character Poison. In addition to anime, her career encompasses voice work in video games. Early in her career, she had an unconfirmed role in the 2007 game Magical Battle Arena. More recently, her game credits include Illusion Connect in 2020 and the popular mobile game Monster Strike, where she voices the character Kamui α. She has also participated in dubbing for foreign content, such as providing the voice for an announcer in the 2023 Chinese anime The Last Summoner.