Kaori Yagi is a Japanese voice actress from Kanagawa Prefecture, Japan, born on December 30. She is affiliated with the talent agency Kenyu Office, having previously been represented by Kyu Production and Advance Promotion. Yagi stands 162 cm tall and has blood type O.

Her career spans a variety of fields, including anime, video games, and the Japanese dubbing of foreign films and television series. One of her most prominent and long-running anime roles is Ryuko Tatsuma, the Dragoon Hero Ryukyu, in the popular series My Hero Academia. She has voiced this character from the fourth season onward, as well as in the film My Hero Academia THE MOVIE: World Heroes' Mission. Another notable anime credit is the role of Gabi's mother in Attack on Titan: The Final Season.

In addition to these works, Yagi has appeared in other anime such as Over Drive, Bokurano, Blassreiter, and Cheese Sweet Home. Her voice acting portfolio also extends to video games, where she is known for voicing Torakaka in the BlazBlue series and Shion Kobayakawa in Akai Katana and its sequel.

A significant portion of Yagi's career is dedicated to voice-over work for foreign content. She has provided Japanese dubbing for numerous films, including The Terminal, World Trade Center, and Underworld: Evolution. Her television dubbing credits are extensive, featuring roles in acclaimed series such as Lost (as Cindy Chandler), Desperate Housewives, Ugly Betty, Prison Break, and Criminal Minds. She has also lent her voice to Western animated series like The Spectacular Spider-Man and Lilo & Stitch. Beyond character roles, Yagi has worked as a narrator for television programs, documentaries, and commercials for brands including Marukome Miso and OMC-ETC Card.

Yagi possesses a second-language proficiency in Korean for daily conversation. She also has specialized skills in traditional Japanese arts, including kimono dressing and ikebana, the art of flower arranging.