Yūki Hirose is a Japanese voice actress and singer from Tokyo, born on April 2, 1993. She is affiliated with the talent agency Aoni Production. Hirose is the daughter of actors Masasuke Hirose and Kiriko Shimizu, and her interest in voice acting was sparked in childhood after learning that multiple characters in anime could be voiced by the same person. Before focusing on voice acting, she initially pursued on-screen acting, appearing in films and educational programming.

Her career path shifted when she successfully auditioned for the anime-themed idol group AŌP (Anime "Katete" Ouendan Project), becoming a founding member in 2012 and remaining with the group until its dissolution in 2021. As a member of AŌP, she received a Special Award at the 10th Seiyu Awards in 2016. Her voice acting debut came in 2014 through the game Tokyo 7th Sisters, where she played the role of Ferb Seto. Her first role in a television anime was in the 2016 series Time Travel Girl ~Mari Waka to 8-nin no Kagakusha-tachi~.

Hirose has built a diverse portfolio of anime roles. She is known for her portrayal of Koharu Hidaka in the Hi Score Girl series and for the role of Kurōmaru Tokisaka in UQ Holder! Magister Negi Magi! 2. Other notable performances include Tsuwabuki in In the Heart of Kunoichi Tsubaki, Marcel in If It's for My Daughter, I'd Even Defeat a Demon Lord, Luine in In the Land of Leadale, Mimi Usakawa (DJ.Lovit) in Wixoss Diva(A)Live, Wakaba Midorino in Mewkledreamy, Stella in Sylvanian Families: Flare no Happy Diary, and Shiho Kamishiro in Tōgane! Chronicle. She also provides the voice for the character Misery in the long-running series That Time I Got Reincarnated as a Slime and for Petra Itta in Mobile Suit Gundam: The Witch from Mercury.

In addition to her voice work, Hirose is also a musician. In June 2022, she became a member and bassist for the hybrid girl band Lonesome_Blue. Her hobbies include playing the bass guitar, and she has listed skills in basketball, dance, and tongue twisters.