Yoku Shioya

is a Japanese actor and voice actor debuting in Triton of the Sea (1972). He has also done some voice directing in anime, such as '. His voice roles include Ryota Miyagi in Slam Dunk and Will A. Zeppeli in JoJo's Bizarre Adventure. His real name is Tsubasa Shioya (written with the same kanji). His older brother was voice actor Kōzō Shioya.

• Triton of the Sea (1972) (Triton)
• Science Ninja Team Gatchaman (1972) (Jinpei the Swallow)
• Space Runaway Ideon (1980) (Cosmo Yuki)
• Ashita no Joe 2 (1981) (Jirō Shioya)
• Star Musketeer Bismark (1984) (Shinji Hikari)
• Saint Seiya (1986) (Siren Sorento)
• ' (1988) ()
• Kariage-kun (1989) (Kariage-kun)
• ' (1989) (Hellbat)
• Magical Taruruto-kun (1990) (Jabao Jaba)
• Goldfish Warning! (1991) (Syuichi Kitada)
• Nangoku Shōnen Papuwa-kun (1992) (Gionkamen Arashiyama)
• Sailor Moon (1993) (Misha) (ep. 39)
• Slam Dunk (1994–96) (Ryota Miyagi)
• Rurouni Kenshin (1996) (Dr. Oguni Gensai)
• Cowboy Bebop (1999) (Miles)
• JoJo's Bizarre Adventure: Phantom Blood (2012) (Will A. Zeppeli)
• Kirakira PreCure a la Mode (2017) (Noir)
• Xuan Yuan Sword Luminary (2018) (An Ce)
• Blue Miburo (2025) (Ryōken)

• Mobile Suit Gundam I (1981) (Marker Clan)
• The Ideon: A Contact (1982) (Cosmo Yuuki)
• The Ideon: Be Invoked (1982) (Cosmo Yuuki)
• ' (1985) (Freedom Alliance member)
• Gargara (1989) (Rin)
• Mobile Suit Gundam F91 (1991) (Birgit Pirjo)
• Slam Dunk: Shohoku's Greatest Challenge! (1995) (Ryota Miyagi)
• Slam Dunk: Howling Basketman Spirit!! (1995) (Ryota Miyagi)
• Perfect Blue (1998) (Takao Shibuya)

OVAs

• Legend of the Galactic Heroes (1989) (Graf Alfred von Lansberg)
• ' (1991) (Nick Orville)

• Super Robot Wars Alpha (2000) (Birgit Pirjo)
• Tatsunoko Fight (2000) (Karochi Taiki, Jinpei)
• Super Robot Wars Alpha 2 (2003) (Birgit Pirjo)
• Super Robot Wars Alpha 3 (2005) (Cosmo Yuuki)
• Super Robot Wars Z2: Destruction Chapter (2011) (Akira Kiso)
• Super Robot Wars Z2: Rebirth Chapter (2012) (Akira Kiso)
• ' (2013) (Will A. Zeppeli)
• ' (2013) (Siren Sorrento)
• Super Robot Wars Z3: Hell Chapter (2014) (Akira Kiso)
• Tales of Zestiria (2015) (Neif)
• Super Robot Wars Z3: Heaven Chapter (2015) (Akira Kiso)
• ' (2015) (Siren Sorrento)
• ' (2015) (Will A. Zeppeli)
• Triangle Strategy (2022) (Archibald Genoe)
• ' (2022) (Will A. Zeppeli)

Dubbing

Animation film

• An Extremely Goofy Movie (Bobby)

Animation television

• Johnny Test (Dukey)
• Peanuts (Linus Van Pelt)
• RWBY (Tyrian Callows)
• Teenage Mutant Ninja Turtles (Donatello)
• The Transformers (Reflector)
• ' (Fast Willy)