Kyoko Yoshine is a Japanese actress who was born in Tokyo on February 28, 1997. She began her entertainment career in 2013 and is affiliated with the talent agency Japan Music Entertainment. While she is primarily known for her extensive work in live-action television dramas and films, she has also taken on a limited number of roles in voice acting for animated projects.

Her entry into voice acting began in 2018 when she provided the Japanese dub voice for the character Tim Leslie Templeton in the film The Boss Baby. She later reprised her role in the animation franchise for its sequel, The Boss Baby: Family Business in 2021, voicing the character Tabitha Templeton.

In the realm of anime, Yoshine voiced the character Aya Chiyono in the 2019 anime film Seven Days War. She also took on a voice role in the long-running Doraemon film series, playing the character Miina in the 2024 film Eiga Doraemon: Nobita no Chikyū Symphony.

Yoshine's career is marked by numerous accolades for her live-action performances. Notably, she won the Newcomer of the Year award at the 42nd Japan Academy Film Prize in 2019 for her roles in the films Kasane: Beauty and Fate and Samurai's Promise. Her voice acting work, while a smaller part of her overall filmography, demonstrates a continued expansion of her performance skills.