Naoya Miyase is a Japanese voice actor born on December 6, 1997, in Kawagoe City, Saitama Prefecture. He is affiliated with the talent agency Kenyu Office. His interest in performing arts began in elementary school after watching musicals, but feeling less confident in singing and dancing, he researched other acting-related careers and discovered voice acting. His desire to enter the industry was further solidified after watching the anime Shakugan no Shana. He is a graduate of the Nihon Kogakuin College. Early in his career with Kenyu Office, he served as a limited-time assistant and host on the program Seiyuu Kenyu Club.

Miyase's career began in the late 2010s with minor roles in anime such as Doraemon and Black Clover. He gained his first leading role in a television anime in 2023, voicing the protagonist Wataru Sajō in the series Yumemiru Danshi wa Genjitsushugisha, also known as The Dreaming Boy is a Realist. This role marked a significant milestone in his career. Prior to this, he had a notable role as Sei Kyōgoku in the 2022 series Futsal Boys!!!!!. His other anime credits include roles in Attack on Titan: The Final Season, Beyblade X, Oshi no Ko, My Next Life as a Villainess: All Routes Lead to Doom!, and Kono Oto Tomare!: Sounds of Life.

Beyond anime, Miyase has lent his voice to several video games, including the Japanese versions of international titles such as Hogwarts Legacy and Monster Hunter Wilds, as well as games like Dragon Quest XI and Gyakuten Saiban (Ace Attorney). He is also active in dubbing foreign films and series, with credits including the Japanese-language versions of Cats, The Beekeeper, and Mickey 17. His work extends to web animations, drama CDs, and digital comics. Additionally, he has performed character songs for projects like KING OF PRISM and Futsal Boys!!!!!.

Miyase maintains a friendly relationship with fellow voice actor Tomoya Yamamoto, a co-star from Futsal Boys!!!!!. His hobbies include walking and playing video games, and his special skill is track and field athletics. He has an older sister.