Yūki Inoue is a Japanese voice actor associated with the talent agency Mausu Promotion. He was born in Kanagawa Prefecture, Japan, on January 23, 1995. Inoue graduated from the Tokyo Announcement Gakuin vocational school in 2015. He then entered the affiliated actor training school of Mausu Promotion and officially joined the agency in April 2017.

Inoue made his voice acting debut in 2014 with a role in the anime series Boy Hollywood. His first leading role in a television anime came in 2016 when he was cast as Hibiki Nukui in The Girls' Night Out.

Inoue has built a diverse portfolio of roles across anime, video games, and dubbed foreign content. In anime, he is known for playing Otis in As Miss Beelzebub Likes It, Noin in Delusional Monthly Magazine, Li Hongbin in number24, and Kibō in Itsuka Aeru Kimi ni. His other notable anime roles include Hibiki Nukui in The Girls' Night Out, A106 in Atom: The Beginning, Tarō J. Suzuki in The Dragon Dentist, Josef in If It's for My Daughter, I'd Even Defeat a Demon Lord, and Akane Himekawa in Haikyu!! To The Top. He has also been a part of major franchise casts, appearing as Ash in Fire Emblem: Three Houses and later in Fire Emblem Heroes, and as the character Ōkyō Naotsugu in the game Touken Ranbu ONLINE.

In addition to his work in Japanese animation, Inoue is active in voice-over work for foreign films and television series. His credits in this field include roles in Heartstopper, Squid Game: The Challenge, and Senior Year.

Inoue was a member of the unit ZEN THE HOLLYWOOD early in his career and has been involved with several other projects, including serving as a personality for the Atom: The Beginning radio program and as an assistant MC for the Otomate Channel.