Kaji Yuki is a Japanese voice actor, narrator, and singer.
Born in Tokyo, he was raised in Sakado, Saitama. He passed the annual "Audience Vision Free Rookie Development Audition" in 2006 and became a 17th term scholarship student at the Japan Narration Performance Laboratory. In 2003, he was selected a finalist in the "VS Audion 2003" sponsored by Pony Canyon. In November of 2004, he debuted as a voice actor in the PS2 game "Teikoku Sensenki".
In 2006, he made his TV anime debut with "Fushigiboshi no Futagohime". On March 7, 2009, he won the 3rd Voice Actor award for New Actor. In February 2012, he debuted as a singer. As of 2019, he is married to fellow VA Taketatsu Ayana.