Yūya Asato is a Japanese actor and voice actor born on December 4, 1987, in Okinawa Prefecture, Japan. He is affiliated with the talent agency Ruby Parade and is also a member of the acting group TOKYO流星群. While his career is primarily focused on stage performances, he has also taken on notable roles in anime voice acting.

Asato's most prominent voice acting role is Kai von Grannzreich, the second prince, in the 2017 anime television series The Royal Tutor, an adaptation of the manga by Akai Higasa. He reprised this role for the 2019 animated film, The Royal Tutor Movie. His involvement with the franchise extended beyond voice acting; he also performed in the stage musical adaptation, The Royal Tutor - The Musical, and contributed to character songs and soundtracks related to the series.

In 2018, Asato voiced two distinct characters in the anime series Magical Girl Site. He provided the voice for Site Administrator Ichi, as well as for a character named Keisuke Naoto. His filmography also includes a voice role in the 2016 drama series adaptation of Yowamushi Pedal, though his primary contribution to the franchise was in the stage plays.

Asato's work is characterized by its strong connection to 2.5D stage musicals and live-action adaptations of anime and manga. His anime voice roles are often intertwined with these stage productions, as seen with The Royal Tutor, Yowamushi Pedal, and his performances in stage adaptations of Kuroko's Basketball and Fruits Basket. This crossover between stage and screen is a recurring theme in his career.