Yoshimasa Hosoya (細谷 佳正, Hosoya Yoshimasa) is a Japanese voice actor and narrator.
After attending Tokyo Announce Gakuin Performing Arts College and Mausu Promotion Actor Training Center, he joined Mausu Promotion. He is currently a freelancer.
Among his many roles, he voiced Shichika Yasuri in Katanagatari, Kuranosuke Shiraishi in The Prince of Tennis, Reiner Braun in Attack on Titan, Kojou Akatsuki in Strike the Blood, IV in Yu-Gi-Oh! Zexal, Saburō Katō in Star Blazers: Space Battleship Yamato 2199, Junpei Hyūga in Kuroko's Basketball, Sentarō Kawabuchi in Kids on the Slope, Haruhiro in Grimgar of Fantasy and Ash, Daryun in The Heroic Legend of Arslan, Orga Itsuka in Mobile Suit Gundam: Iron-Blooded Orphans, Akari Hizamaru in Terra Formars, Doppo Kunikida in Bungo Stray Dogs, Asahi Azumane in Haikyuu!!, Fumikage Tokoyami in My Hero Academia, Nagare Akiba in Ushio and Tora, John H. Watson in The Empire of Corpses, Aren Kuboyasu in The Disastrous Life of Saiki K., Genjirō Tanigaki in Golden Kamuy, Joe in Megalobox, Houjou Shūsaku in In This Corner of the World, Ausukai Jin in Boogiepop and Others, Kanata Hoshijima in Astra Lost in Space, Shin in Dorohedoro, Belial in Granblue Fantasy, and Welt Yang in Honkai Impact 3rd and Honkai: Star Rail.
Hosoya won the awards at the 8th Seiyu Awards and 10th Seiyu Awards for best supporting actor. On April 23, 2017, he went for a treatment for his throat. He resumed his career on August 4, 2017.
