Yuu Wakabayashi is a Japanese voice actor born on July 8 in Yamanashi Prefecture. He is affiliated with the agency 81 Produce and has been active in the industry since his debut in 2014. Known for his versatility, he speaks the Kōshū dialect of his home region.

His career includes a wide range of supporting roles across numerous popular anime series. In the 2021 series 2.43: Seiin High School Boys Volleyball Team, he provided the voice for Kazuma Hokao, a second-year student and the libero for the boys' volleyball club. His other notable anime credits include roles in KonoSuba: God's Blessing on This Wonderful World, The Apothecary Diaries, Hell's Paradise, Oshi No Ko, BOCCHI THE ROCK!, My Home Hero, and Jujutsu Kaisen. He has also appeared in long-running series such as Doraemon, Major 2nd, and Beyblade Burst.

Beyond television animation, Wakabayashi’s work extends to films, video games, and foreign language dubbing. His video game roles include performances in major titles like Final Fantasy VII Rebirth, the Fate/Grand Order series, and Unicorn Overlord. In the field of dubbing, he has contributed Japanese voices for foreign films and series such as Atomic Blonde, American Animals, and Marvel’s She-Hulk. He is also active in audiobooks, television narration, and commercials. His hobbies and skills include motorcycle touring, cycling, and ball juggling.