Yūji Mitsuya is a Japanese actor, voice actor, director of audiography, and sound supervisor born on October 18, 1954, in Toyohashi, Aichi Prefecture, Japan. He is affiliated with the agency Mitsuya Project and is a graduate of Meiji University. His career as a voice actor has been active since 1967 and includes hundreds of roles across television, film, and video games.

Mitsuya's debut role was Hyōma Aoi in the 1976 mecha series Super Electromagnetic Robot Combattler V. Early in his career, he also voiced Archibald Archie Cornwell in the classic drama Candy Candy and Lowell J. Grey in Lady Georgie. One of his most significant early starring roles came as Tatsuya Uesugi in the highly successful baseball romance anime Touch, a character he played in both the television series and subsequent films.

In the long-running fantasy series Saint Seiya, Mitsuya is well known for his portrayal of Virgo Shaka, one of the most powerful Gold Saints. He has voiced this character in the original 1986 series, the OVA series The Hades Chapter, the 2015 web series Soul of Gold, and the film Evil Goddess Eris. He also played Lyra Orpheus in the same franchise. In the Dragon Ball universe, he has voiced several characters, including the Supreme Kai (Kaiōshin) and Kibito Kaiōshin in Dragon Ball Z and Dragon Ball Z: Battle of Gods, as well as the original character Gregory.

Mitsuya has demonstrated great versatility by taking on comedic and eccentric characters. He has voiced the mischievous Sōichi Tsujii in Junji Ito Collection, the surrealist Popuko in the first episode of Pop Team Epic, and the villainous Joker in Smile PreCure!. In the culinary adventure Toriko, he provided the voice for the villain Grinpatch, a role he also played in the franchise's film. He is also the Japanese voice of Agent Pleakley in the Stitch! anime series. In One Piece, he portrayed Pica, a high-ranking officer of the Donquixote Pirates known for his unusual high-pitched voice. His role as Dr. Ono Tofu in Ranma ½ is another example of his range in comedy.

Beyond animation, Mitsuya has an extensive career in dubbing foreign media. He is best known for providing the Japanese voice of Marty McFly, played by Michael J. Fox, for the TV Asahi broadcast editions of the Back to the Future trilogy. He has also dubbed roles for actors such as Tom Hulce in Amadeus and Chris Tucker in The Fifth Element. His video game work includes the role of the abusive gym teacher Suguru Kamoshida in Persona 5 and the villain Shaco in League of Legends. In the live-action tokusatsu series Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger, he provided the voice for the robot GoodStriker.

In addition to performing, Mitsuya has worked as a sound supervisor and voice director. In 2013, he received the Kei Tomiyama Award, which honors voice actors who have helped expand the possibilities of voice acting as a profession. He is also a musician who plays the keyboard. On a personal note, Mitsuya publicly came out as gay on a television program in January 2017. In January 2022, he revealed that he had been diagnosed with prostate cancer the previous year.