Mio Yasuda is a Japanese voice actress and former idol from Chiba Prefecture, Japan. She was born on May 16, though her birth year has not been publicly disclosed. Her affiliation in the industry was with the talent management firm Sigma Seven. Yasuda's path to becoming a voice actor was inspired during her elementary school years when she received praise from her teacher for her reading aloud, which motivated her to pursue a career in voice performance.

Yasuda's career is primarily known for her work in anime television series, original video animations (OVAs), and video games, with a significant portion of her roles originating from visual novel adaptations. Among her most frequently cited representative works are the role of Emi Tachibana in the popular dating sim Tokimeki Memorial 3 and Claire Bennett in the role-playing game Tales of Rebirth. She also voiced Yui Tabata in both the television anime and video game versions of H2O -Footprints in the Sand-.

The voice roles listed in the query can be verified through available records. In the television series H2O: Footprints in the Sand, she indeed provided the voice for Yui Tabata. Her role as Masayo Tsujimura is confirmed for the original video animation (OVA) series Kimi ga Nozomu Eien ~Next Season~. For the OVA Cartagra: Tsukigurui no Yamai, she voiced the character Kazuna Kouzuki, a role for which she was credited under the alias Akishiro Yuzuki. Yasuda is also credited as the voice of Yumiko Ouse in the OVA Masaru Ashita no Yukinojō 2 and as Maris Stella in the OVA Girl in the Shell, the English title for Kara no Shoujo.

Beyond these verified roles, Yasuda's filmography includes a range of other parts in anime and related media. She appeared in episodes of major series such as Inuyasha and ToHeart2. Her voice work also extended to drama CDs, such as her role as Maria Rossettini in the series A Thousand Years of Crows Extermination, and to foreign film dubbing, including providing the Japanese voice for singer-actress Gigi Leung's character in the Hong Kong film Legend of the Dragon. In addition to her work under her own name, Yasuda was known to use several aliases for work in adult-oriented content, including Akishiro Yuzuki, Izumi Yazawa, and Momoka-chan.