Jun Miyamoto is a Japanese voice actor affiliated with the Kenyu Office talent agency, based in Tokyo. Known for a baritone vocal range, Miyamoto has been active since the early 2010s and has built a career that includes roles in anime, video games, and dubbing for foreign films and television series.

In the field of anime, Miyamoto has taken on a wide variety of supporting and recurring characters. His roles include Augustus Kira Clover XIII in Black Clover, Natsuo Kōsaka in My Girlfriend is Shobitch, Griez in Attack on Titan, and Hekiji Tengai in My Hero Academia. Other anime credits include appearances in Boruto: Naruto Next Generations as Denki's father, Violet Evergarden as a bar owner, The Piano Forest as Raphael, and Princess Principal as a constable. He has also performed roles in long-running series such as Gintama and Pokémon.

Beyond traditional television animation, Miyamoto has contributed to original video animations and films, such as Legend of the Galactic Heroes: Die Neue These and Kabaneri of the Iron Fortress: The Battle of Unato. His voice is also featured in video games, including major titles like Final Fantasy VII Remake, Lost Judgment, Octopath Traveler II, and the Ace Combat and Pokémon Masters series. In the realm of localization, he provides the Japanese dub voice for characters in international blockbuster films and series, including Marvel Cinematic Universe productions like Thor: Ragnarok, as well as Deadpool, Men in Black: International, and Bohemian Rhapsody.

His career also demonstrates versatility, as he has participated in BLCDs, stage theater productions, and variety shows such as Robert Akiyama's Creators File. Throughout his work on numerous high-profile projects, Miyamoto has showcased an ability to portray a range of characters, from comedic figures to more serious and dramatic roles.