Ryouta Oosaka

Japanese voice actor (seiyuu). Appears in 271 anime in our database.

Anime

Ansatsu Kyoushitsu: Minna no Jikan as Yuma Isogai (2026)
Mairimashita! Iruma-kun 4 as Kiriwo Amy (2026)
Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e 4th Season 2-nensei-hen Ichi Gakki as Yousuke Hirata (2026)
Saikyou no Ousama, Nidome no Jinsei wa Nani wo Suru? 2nd Season as Brald Landon (2026)
Yomi no Tsugai as Danji (2026)
Diamond no Ace act II: Second Season as Eijun Sawamura (2026)
MF Ghost 3rd Season as Kouki Sawatari (2026)
Tokyo Revengers: Santen Sensou-hen as Naoto Tachibana (2026)
Jujutsu Kaisen: Shimetsu Kaiyuu - Zenpen as Iori Hazenoki (2026)
Mushoku Tensei III: Isekai Ittara Honki Dasu as Cliff Grimoire (2026)
Yowaki MAX Reijou Nano ni, Ratsuwan Konyakusha-sama no Kake ni Notte Shimatta as Rufus Stan (2026)
Kabushiki Gaisha Magi Lumiere 2nd Season as Kaede Midorikawa (2026)
Tefuda ga Oome no Victoria as Conrad Ashbury (2026)
Oni no Hanayome as Youta Kogetsu (2026)
Ishura 2nd Season as Enu (2025)
Sentai Daishikkaku 2nd Season as Yamato Kurusu (2025)
Takopii no Genzai as Junya Azuma (2025)
WIND BREAKER Season 2 as Tasuku Tsubakino (2025)
Taiyou yori mo Mabushii Hoshi as Yuushin Izawa (2025)
Katainaka no Ossan, Kensei ni Naru as Spur (2025)
Kankin Kuiki Level X 2nd Season as Shuhei Murosaka (2025)
Sentai Daishikkaku as Yamato Kurusu (2024)
Yubisaki to Renren as Kyouya Nagi (2024)
Rekishi ni Nokoru Akujo ni Naruzo as Albert Williams (2024)
Haikyuu!!: Gomi Suteba no Kessen as Keiji Akaashi (2024)
Rurouni Kenshin: Meiji Kenkaku Romantan - Kyoto Douran as Henya Kariwa (2024)
Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e 3rd Season as Yousuke Hirata (2024)
Make Heroine ga Oosugiru! as Sousuke Hakamada (2024)
Majo to Yajuu as Johan (2024)
Douwa Revengers as Naoto Tachibana (2024)
MF Ghost 2nd Season as Kouki Sawatari (2024)
Mushoku Tensei II: Isekai Ittara Honki Dasu Part 2 as Cliff Grimoire (2024)
Kabushiki Gaisha Magi Lumiere as Kaede Midorikawa (2024)
Youkai Gakkou no Sensei Hajimemashita! as Haruaki Abe (2024)
Code Geass: Dakkan no Rozé as Heath Lott (2024)
Hananoi-kun to Koi no Yamai as Keigo Kurata (2024)
Yubisaki Petit as Kyouya Nagi (2024)
Shadowverse Flame: Arc-hen as Ryouga Jasei (2024)
Kankin Kuiki Level X as Shuhei Murosaka (2024)
Touken Ranbu Kai: Kyoden Moyuru Honnouji as Shishiou (2024)
Dekisokonai to Yobareta Moto Eiyuu wa, Jikka kara Tsuihou Sareta node Suki Katte ni Ikiru Koto ni Shita as Brett (2024)
Black Clover: Mahou Tei no Ken as Sekke Bronzazza (2023)
Tokyo Revengers: Tenjiku-hen as Naoto Tachibana (2023)
Tokyo Revengers: Seiya Kessen-hen as Naoto Tachibana (2023)
Maou Gakuin no Futekigousha: Shijou Saikyou no Maou no Shiso, Tensei shite Shison-tachi no Gakkou e Kayou II as Kanon (2023)
Boushoku no Berserk as Fate Graphite (2023)
Mushoku Tensei II: Isekai Ittara Honki Dasu as Cliff Grimoire (2023)
Seijo no Maryoku wa Bannou desu Season 2 as Oscar Dunckel (2023)
MF Ghost as Kouki Sawatari (2023)
Tsundere Akuyaku Reijou Liselotte to Jikkyou no Endou-kun to Kaisetsu no Kobayashi-san as Artur Richter (2023)
Tensei Kizoku no Isekai Boukenroku: Jichou wo Shiranai Kamigami no Shito as Yuuya Hirasawa Esfort (2023)
Hataraku Maou-sama!! 2nd Season as Satan Jacob (2023)
Shadowverse Flame: Seven Shadows-hen as Ryouga Jasei (2023)
Nokemono-tachi no Yoru as Snow (2023)
Mattari Kaisetsu: Boushoku no Berserk as Fate Graphite (2023)
Opus.COLORs as Kyou Takise (2023)
Sword Art Online: Progressive - Kuraki Yuuyami no Scherzo as Joe (2022)
Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e 2nd Season as Yousuke Hirata (2022)
Mushoku Tensei: Isekai Ittara Honki Dasu Part 2 - Eris no Goblin Toubatsu as Cliff Grimoire (2022)
Mairimashita! Iruma-kun 3 as Kiriwo Amy (2022)
Ryman's Club as Touya Saeki (2022)
Kimetsu no Yaiba: Yuukaku-hen as Gyuutarou (2022)
Overlord IV as Climb (2022)
Bubble as Isozaki (2022)
Toku: Touken Ranbu - Hanamaru - Setsugetsuka as Shishiou (2022)
Strike the Blood FINAL as Motoki Yaze (2022)
Hataraku Maou-sama!! as Satan Jacob (2022)
Engage Kiss as Mikhail Hachisuka (2022)
Renai Flops as Asahi Kashiwagi (2022)
Shadowverse Flame as Ryouga Jasei (2022)
Shinobi no Ittoki as Ittoki Sakuraba (2022)
Chiichai! Maou-sama!! as Satan Jacob (2022)
Tokyo Revengers as Naoto Tachibana (2021)
Cardfight!! Vanguard: overDress as Takami Ookura (2021)
Cardfight!! Vanguard: overDress Season 2 as Takami Ookura (2021)
Kumo desu ga, Nani ka? as Wrath (2021)
Lord El-Melloi II-sei no Jikenbo: "Rail Zeppelin" Grace note Tokubetsu-hen as Horus Orth (2021)
Shingeki no Kyojin: The Final Season as Marco Bott (2021)
Mairimashita! Iruma-kun 2 as Kiriwo Amy (2021)
Sword Art Online: Progressive - Hoshinaki Yoru no Aria as Atsushi Kanamoto (2021)
Fairy Ranmaru: Anata no Kokoro Otasuke Shimasu as Ichirou (2021)
Sidonia no Kishi: Ai Tsumugu Hoshi as Nagate Tanikaze (2021)
Hige wo Soru. Soshite Joshikousei wo Hirou. as Kyouya Yaguchi (2021)
SHOW BY ROCK!! STARS!! as Kai (2021)
Sayonara Watashi no Cramer: First Touch as Kaoru Takei (2021)
Kaizoku Oujo as Kaede (2021)
Tenchi Souzou Design-bu as Yokota (2021)
Gundam: G no Reconguista III - Uchuu kara no Isan as Klim Nick (2021)
Ore dake Haireru Kakushi Dungeon as Noir Stardia (2021)
Doki Doki! Mini Mini! Kakushi Dungeon Gekijou as Noir Stardia (2021)
Sayonara Watashi no Cramer as Kaoru Takei (2021)
Powerful Pro Yakyuu: Powerful Koukou-hen as Subaru Hoshii (2021)
Kimi no Suki ni Deaou. as Ryouta (2021)
Maou Gakuin no Futekigousha: Shijou Saikyou no Maou no Shiso, Tensei shite Shison-tachi no Gakkou e Kayou as Kanon (2020)
Haikyuu!! TO THE TOP as Keiji Akaashi (2020)
Healin' Good♥Precure as Youta Hiramitsu (2020)
Haikyuu!! Riku VS Kuu as Keiji Akaashi (2020)
Haikyuu!! TO THE TOP 2 as Keiji Akaashi (2020)
Ore wo Suki nano wa Omae dake ka yo: Oretachi no Game Set as Tatsuo Shiba (2020)
Ishuzoku Reviewers as Incubus (2020)
Gleipnir as Naoto (2020)
Gundam: G no Reconguista II - Bellri Gekishin as Klim Nick (2020)
Strike the Blood: Kieta Seisou-hen as Motoki Yaze (2020)
Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka II: Mujintou ni Yakusou wo Motomeru no wa Machigatteiru Darou ka as Apollo (2020)
Bungou to Alchemist: Shinpan no Haguruma as Murou Saisei (2020)
Ensemble Stars! as Ibara Saegusa (2019)
Toaru Kagaku no Accelerator as Mikihiko Hishigata (2019)
Koutetsujou no Kabaneri: Unato Kessen as Sukari (2019)
Sword Art Online: Alicization - War of Underworld Reflection as Kanamoto, Atsushi (2019)
Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka II as Apollo (2019)
Diamond no Ace act II as Eijun Sawamura (2019)
Bokutachi wa Benkyou ga Dekinai OVAs as Nariyuki Yuiga (2019)
Toaru Kagaku no Accelerator: Tobidase Ippou-san Hachamecha Kaishingeki as Mikihiko Hishigata (2019)
Mairimashita! Iruma-kun as Kiriwo Amy (2019)
Shingeki no Kyojin Season 3 Part 2 as Marco Bott (2019)
Bokutachi wa Benkyou ga Dekinai! as Nariyuki Yuiga (2019)
Bokutachi wa Benkyou ga Dekinai as Nariyuki Yuiga (2019)
Star Mu 3 as Masashi Irinatsu (2019)
Gundam: G no Reconguista I - Ike! Core Fighter as Klim Nick (2019)
Naka no Hito Genome [Jikkyouchuu] as Kenya Kudou (2019)
Ta ga Tame no Alchemist as Edgar L. Leonhart (2019)
Shinkansen Henkei Robo Shinkalion: Mirai kara Kita Shinsoku no ALFA-X as Ryuuji Kiyosu (2019)
Mugyutto! Black Clover as Sekke Bronzazza (2019)
Pokémon Masters: Trainer Daishuuketsu Special Animation as Green Okido (2019)
Girly Air Force as Kei Narutani (2019)
Grimms Notes The Animation as Ex (2019)
Saint Seiya: Saintia Shou as Yuan Scutum (2018)
Koi to Uso: Isshou no Koi/Koi no Kimochi as Yukari Nejima (2018)
Sword Art Online: Alicization as Atsushi Kanamoto (2018)
High School DxD Hero: Taiikukan-ura no Holy as Lucifer, Vali (2018)
Hakata Tonkotsu Ramens as Yuusuke Harada (2018)
Overlord II as Climb (2018)
Overlord III as Climb (2018)
Zoku Touken Ranbu: Hanamaru as Shishiou (2018)
Devils' Line as Naoya Ushio (2018)
Shinkansen Henkei Robo Shinkalion as Ryuuji Kiyosu (2018)
Gundam Build Divers as Shahryar (2018)
Nil Admirari no Tenbin as Hisui Hoshikawa (2018)
Last Period: Owarinaki Rasen no Monogatari as Nero (2018)
Tales of HR as Mikleo (2018)
Ulysses: Jeanne d'Arc to Renkin no Kishi as Montmorency (2018)
Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e as Yousuke Hirata (2017)
Pocket Monsters: Kimi ni Kimeta! as Cross (2017)
Kidou Senshi Gundam Thunderbolt: BANDIT FLOWER as Billy Hickam (2017)
Kuroko no Basket: Last Game as Chihiro Mayuzumi (2017)
Koro-sensei Q! (ONA) as Yuma Isogai (2017)
Black Clover as Sekke Bronzazza (2017)
Teekyuu 9 as Youta Oshimoto (2017)
Tales of Zestiria the Cross 2 as Mikleo (2017)
Shingeki no Kyojin: LOST GIRLS as Marco Bott (2017)
DIVE!! as Ryou Oohiro (2017)
Koi to Uso as Yukari Nejima (2017)
Shingeki no Kyojin Season 2 as Marco Bott (2017)
Koutetsujou no Kabaneri Soushuuhen Kouhen: Moeru Inochi as Sukari (2017)
Kidou Senshi Gundam Thunderbolt 2 as Billy Hickam (2017)
Touken Ranbu: Hanamaru - Makuai Kaisouroku as Shishiou (2017)
Kabukibu! as Shin Akutsu (2017)
Sengoku Night Blood as Hanbee Takenaka (2017)
Netsuzou Trap: NTR as Takeda (2017)
Ao Oni The Animation as Kouji Manabe (2017)
Strike the Blood II as Motoki Yaze (2016)
Ao Oni: The Animation as Hiroshi (2016)
Ushio to Tora 2 (TV) as Satoru Moritsuna (2016)
Akagami no Shirayuki-hime 2nd Season as Zen Wistaria (2016)
Tales of Zestiria the Cross as Mikleo (2016)
Monster Hunter Stories: RIDE ON as Cheval (2016)
Masamune Datenicle as Shigezane Date (2016)
ALL OUT!! as Mutsumi Hachiouji (2016)
Diamond no Ace Second Season OVA as Eijun Sawamura (2016)
Haikyuu!!: Karasuno Koukou VS Shiratorizawa Gakuen Koukou as Keiji Akaashi (2016)
Ansatsu Kyoushitsu 2nd Season as Yuma Isogai (2016)
Akagami no Shirayuki-hime: Nandemonai Takaramono, Kono Page as Zen Wistaria (2016)
Koutetsujou no Kabaneri Soushuuhen Zenpen: Tsudou Hikari as Sukari (2016)
Pokémon Generations as Silver (2016)
Koutetsujou no Kabaneri as Sukari (2016)
Ansatsu Kyoushitsu Movie: 365-Nichi no Jikan as Yuma Isogai (2016)
DAYS as Atomu Isurugi (2016)
SHOW BY ROCK!!# as Kai (2016)
Prince of Stride: Alternative as Hajime Izumino (2016)
Ao no Kanata no Four Rhythm as Masaya Hinata (2016)
Saijaku Muhai no Bahamut as Fugil Arcadia (2016)
SHOW BY ROCK!! Short!! as Kai (2016)
Touken Ranbu: Hanamaru as Shishiou (2016)
TRICKSTER: Edogawa Ranpo "Shounen Tantei-dan" yori as Kensuke Hanazaki (2016)
High School DxD BorN as Vali Lucifer (2015)
Shingeki! Kyojin Chuugakkou as Marco Bott (2015)
Haikyuu!!: VS Akaten as Keiji Akaashi (2015)
Yamada-kun to 7-nin no Majo (OVA) as Ryuu Yamada (2015)
Rakudai Kishi no Cavalry as Ikki Kurogane (2015)
Shigatsu wa Kimi no Uso: MOMENTS as Ryouta Watari (2015)
Aldnoah.Zero Part 2 as Klancain (2015)
Diamond no Ace: Second Season as Eijun Sawamura (2015)
Ushio to Tora (TV) as Satoru Moritsuna (2015)
Shingeki no Kyojin Kouhen: Jiyuu no Tsubasa as Marco Bott (2015)
Strike the Blood: Valkyria no Oukoku-hen as Motoki Yaze (2015)
Akagami no Shirayuki-hime as Zen Wistaria (2015)
Charlotte as Shou (2015)
SHOW BY ROCK!! as Kai (2015)
Sidonia no Kishi: Daikyuu Wakusei Seneki as Nagate Tanikaze (2015)
Haikyuu!! 2nd Season as Keiji Akaashi (2015)
Kuroko no Basket 3rd SEASON as Chihiro Mayuzumi (2015)
Ansatsu Kyoushitsu as Yuma Isogai (2015)
Kuroko no Basket 3 NG-shuu as Chihiro Mayuzumi (2015)
Yamada-kun to 7-nin no Majo as Ryuu Yamada (2015)
Gatchaman Crowds insight as Sugane Tachibana (2015)
Young Black Jack as Ryuichi Okuno (2015)
Yankee-kun na Yamada-kun to Megane-chan to Majo as Ryuu Yamada (2015)
GATCHAMAN CROWDS insight #0 inbound as Sugane Tachibana (2015)
Shounen Hollywood: HOLLY STAGE FOR 50 as Kakeru Kazami (2015)
Takamiya Nasuno desu!: Teekyuu Spin-off as Youta Oshimoto (2015)
Tales of Zestiria: Doushi no Yoake as Mikleo (2014)
Shingeki no Kyojin Zenpen: Guren no Yumiya as Marco Bott (2014)
Denki-Gai no Honya-san as Umio (2014)
Kanojo ga Flag wo Oraretara as Souta Hatate (2014)
Gokukoku no Brynhildr OVA as Ryouta Murakami (2014)
Shigatsu wa Kimi no Uso as Ryouta Watari (2014)
Log Horizon 2 as Shouryuu (2014)
Sidonia no Kishi as Nagate Tanikaze (2014)
Diamond no Ace OVA as Eijun Sawamura (2014)
Gatchaman Crowds: Embrace as Sugane Tachibana (2014)
Sword Art Online II as Atsushi Kanamoto (2014)
Re:_HAMATORA as Nice (2014)
Hamatora THE ANIMATION as Nice (2014)
Gokukoku no Brynhildr as Ryouta Murakami (2014)
Kanojo ga Flag wo Oraretara OVA as Souta Hatate (2014)
Shirogane no Ishi: Argevollen as Tokimune Susumu (2014)
Gundam: G no Reconguista as Klim Nick (2014)
Sugar＊Soldier as Shun Iriya (2014)
Shounen Hollywood: HOLLY STAGE FOR 49 as Kakeru Kazami (2014)
Glasslip as Kakeru Okikura (2014)
Chihayafuru 2 as Tashiro (2013)
Strike the Blood as Motoki Yaze (2013)
Yondemasu yo, Azazel-san. Z as Gaghiel (2013)
Magi: The kingdom of magic as Sphintus Carmen (2013)
Blood Lad as Staz Blood (2013)
Log Horizon as Shouryuu (2013)
Blood Lad: Wagahai wa Neko de wa Nai as Staz Blood (2013)
Nagi no Asukara as Kaname Isaki (2013)
Ore no Kanojo to Osananajimi ga Shuraba Sugiru as Eita Kidou (2013)
Diamond no Ace as Eijun Sawamura (2013)
Shingeki no Kyojin OVA as Marco Bott (2013)
Danball Senki Wars as Arata Sena (2013)
Hataraku Maou-sama! as Satan Jacob (2013)
Shingeki no Kyojin as Marco Bott (2013)
SKET DANCE: Imouto no Nayami ni Nayamu Ani ni Nayamu Imouto to Sono Nakama-tachi as Kiri Katou (2013)
High School DxD NEW as Vali Lucifer (2013)
Kakumeiki Valvrave 2 as Haruto Tokishima (2013)
Rozen Maiden (2013) as Jun Sakurada (2013)
Yamada-kun to 7-nin no Majo (ONA) as Ryuu Yamada (2013)
Gatchaman Crowds as Sugane Tachibana (2013)
Kakumeiki Valvrave as Haruto Tokishima (2013)
Super Seisyun Brothers as Chika Shinmoto (2013)
Tonari no Kaibutsu-kun: Tonari no Gokudou-kun as Souhei Sasahara (2013)
Sword Art Online: Extra Edition as Atsushi Kanamoto (2013)
Teekyuu 3 as Youta Oshimoto (2013)
Shingeki no Kyojin: Chimi Kyara Gekijou - Tondeke! Kunren Heidan as Marco Bott (2013)
Rescue ME! as Masayuki Mizutani (2013)
Muv-Luv Alternative: Total Eclipse as Kirill Yefremov (2012)
Medaka Box Abnormal as Hamaya Hyakuchou (2012)
JoJo no Kimyou na Bouken (TV) as Mark (2012)
Shinsekai yori as Ryou Inaba (2012)
Sword Art Online as Atsushi Kanamoto (2012)
Tonari no Kaibutsu-kun as Souhei Sasahara (2012)
Tsuritama as Yuki Sanada (2012)
Koutetsu no Majo Annerose as Rikuro Tachibana (2012)
Onii-chan Dakedo Ai Sae Areba Kankeinai yo ne! as Akito Himenokouji (2012)
HUNTER×HUNTER (2011) as Kanzai (2011)
SKET DANCE as Kiri Katou (2011)
Mashiroiro Symphony: The color of lovers as Kouichi Mizuhara (2011)
Sengoku☆Paradise Kiwami as Toshimasu Maeda (2011)
Takopii no Genzai: Arigatou, Mata Ashita as Junya Azuma

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