Chiaki Ozaki is the former stage name of the Japanese voice actress and singer Yuka Ozaki. She is recognized for her work as a child actress and for her transition to a successful voice acting career under her new name. Notably, she provided the voice for the character Miko in the 2002 anime Umigame to Shōnen (War Child: A Boy and the Sea Turtle), which is part of the NHK War Fairy Tale series. This role was performed under the name Chiaki Ozaki.

Born in Tokyo on May 15, 1993, Ozaki began her entertainment career as a child actor, debuting in the 2000 NHK taiga drama Aoi Tokugawa Sandai. For many years, she appeared in various television dramas and films under the name Chiaki Ozaki, with credits including Dr. Kotō Shinryōjo in 2006 and the film Helen the Baby Fox. Around 2014, she rebranded herself as Yuka Ozaki to pursue a new direction in voice acting.

Her transition to voice acting proved highly successful, with her breakout role coming in 2017 as the voice of Serval in the immensely popular anime Kemono Friends. This role brought her widespread recognition and established her as a leading voice talent. Her subsequent major voice roles include Kohane Hatoya in Anima Yell!, Koito Koganei in Otaku Elf, and Aya Matsuoka in King's Game, among many others. She is also known for her role as Asuka Toyama in the BanG Dream! franchise.

In addition to her voice work, Ozaki is an active singer. She has released solo singles and albums, and has performed numerous character songs for various anime. As a member of the unit Doubutsu Biscuits x PPP, formed from the Kemono Friends series, she received the Singing Award at the 12th Seiyu Awards in 2018. Her career reflects a recurring collaboration with the multimedia projects surrounding Kemono Friends and BanG Dream!. She continues to be active in the industry, with recent roles in series such as Rinkai! in 2024.