Yuki Kazu is a Japanese voice actress, also known as a seiyū, who works in anime, video games, and foreign film and television dubbing. She is affiliated with the talent agency Stay Luck, having previously been associated with Crazy Box, Atomic Monkey, and Yukainaru. Born on October 22 in Tokyo, Japan, her birth year has not been made public. She is a graduate of the Japan Narration Acting Institute.

Her career in voice acting began in the early 2010s. In the realm of anime, Yuki Kazu has portrayed a variety of characters. She had a role as Mother A in the series Aquarion Logos and provided voices for general public and government employee characters in the highly popular series Jujutsu Kaisen. She played the role of Mayu Oba, a preparatory school instructor, in the anime Blue Period. Her other anime credits include appearances in Lupin III, Mononogatari, MARS RED, and The Seven Deadly Sins.

She is also active in dubbing Western productions into Japanese. She provided the Japanese voice for the character Blackarachnia in the series Transformers: War for Cybertron Trilogy - Kingdom. In the live-action series Knuckles, part of the Sonic Cinematic Universe, she voiced the character Agent Willoughby. Her dubbing work extends to major Hollywood films, where she has contributed to the Japanese-language versions of Joker, The Batman, Fantastic Beasts: The Secrets of Dumbledore, and films in the Marvel Cinematic Universe, as well as the series The Crown.

Beyond television and film, Yuki Kazu has voiced characters in several video games, including the Bravely Default series, Kingdom Hearts III, Black Desert, and White Cat Project. Her diverse career also includes narration for documentaries, television programs, and commercials. Known for her versatility and expressive voice, she has established herself as a prolific talent in the Japanese voice acting industry, working consistently across multiple media formats.