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Koutaro Nishiyama
Actor, Additional CreditsBorn October 11, 1991 (34 years)
Nishiyama Koutaro born October 11, 1991, is a voice actor (seiyuu) from Kanagawa Prefecture, Japan. He is affiliated with 81 Produce.
Filmography
| 2026 | Hana-Kimi (TV Series) · as Wataru Nihonbashi |
| 2025 | With You, Our Love Will Make It Through (TV Series) · as Yukihiro Aida (voice) |
| 2025 | |
| 2025 | TOUGEN ANKI (TV Series) · as Jin Kougasaki (voice) |
| 2025 | Detectives These Days Are Crazy! (TV Series) · as Airan |
| 2025 | Everyday HOST CLUB (TV Series) · as Shin |
| 2025 | Muzik Tiger: In the Forest (TV Series) · as Taffee (voice) |
| 2024 | Mecha-Ude: Mechanical Arms (TV Series) · as Tani |
| 2024 | Egumi Legacy (TV Series) · as Uninvited Guest (voice) |
| 2024 | WIND BREAKER (TV Series) · as Takumi Momose |
| 2024 | Haikyu!! The Dumpster Battle · as Kazuhito Narita (voice) |
| 2024 | Mr. Villain's Day Off (TV Series) · as Organizer A |
| 2023 | DOG SIGNAL (TV Series) · as Asanuma's Husband |
| 2023 | My New Boss Is Goofy (TV Series) · as Kentaro Momose (voice) |
| 2023 | A Playthrough of a Certain Dude's VRMMO Life (TV Series) · as Green Dragon's Messenger |
| 2023 | B-Project: Netsuretsu Love Call (TV Series) · as Teramitsu, Yuzuki |
| 2023 | My Happy Marriage (TV Series) · as Koji Tatsuishi (voice) |
| 2023 | IDOLiSH7 Movie: LIVE 4bit - BEYOND THE PERiOD · as Minami Natsume (zool) |
| 2023 | Ensemble Stars!! Reminiscence Selection: Element (TV Series) |
| 2023 | High Card (TV Series) · as Jasper Libera |
| 2023 | The Tale of the Outcasts (TV Series) · as Shura (voice) |
| 2022 | Shoot! Goal to the Future (TV Series) · as Fuyi Itoda |
| 2022 | Dance Dance Danseur (TV Series) · as Yamato Takura (voice) |
| 2022 | Aoashi (TV Series) · as Junnosuke Nakano (voice) |
| 2022 | Heroines Run the Show (TV Series) · as Third-Year Student B |
| 2022 | Kotaro Lives Alone (2022) (TV Series) · as Tamamori |
| 2022 | She Professed Herself Pupil of the Wise Man (TV Series) · as Aizenfald (voice) |
| 2021 | The Vampire Dies in No Time (TV Series) · as Sagyou (voice) |
| 2021 | Muteking the Dancing Hero (TV Series) · as Winter (voice) |
| 2021 | The Heike Story (TV Series) · as Emperor Takakura (voice) |
| 2021 | Re-Main (TV Series) · as Eitaro Oka (voice) |
| 2021 | To Your Eternity (TV Series) · as Rean's Fiancé (voice) |
| 2021 | Dragon Goes House-Hunting (TV Series) · as Archer (voice) |
| 2021 | I★Chu: Halfway Through the Idol (TV Series) · as Saku Uruha |
| 2020 | Scumbag System (TV Series) · as Ming Fan |
| 2020 | Get Up! Get Live! #Geragera (TV Series) · as Kaede Higashizawa (voice) |
| 2020 | SING "YESTERDAY" FOR ME (TV Series) · as Amamiya (voice) |
| 2020 | A3! (TV Series) · as Tsuzuru Minagi (voice) |
| 2019 | Stand My Heroes: Piece of Truth (TV Series) · as Kyosuke Tsuzuki |
| 2019 | BEM (TV Series) · as Roddy Walker (voice) |
| 2019 | Ensemble Stars! (TV Series) · as Kanata Shinkai |
| 2019 | I'm from Japan (TV Series) · as Tokio Abiko |
| 2019 | Demon Slayer: Kimetsu no Yaiba (TV Series) · as (voice) |
| 2019 | Mix: Meisei Story (TV Series) · as Ryo Akai (voice) |
| 2019 | B-Project: Zeccho Emotion (TV Series) · as Yuzuki Teramitsu |
| 2019 | The Price of Smiles (TV Series) · as Alan |
| 2018 | Million Arthur (TV Series) · as Andy |
| 2018 | Skull-face Bookseller Honda-san (TV Series) |
| 2018 | Zoids Wild (TV Series) · as Garlic |
| 2018 | Mr. Tonegawa Middle Management Blues (TV Series) · as Toshimasa Kawasaki (voice) |
| 2018 | Major 2nd (TV Series) · as Hikaru Satō (voice) |
| 2018 | School Babysitters (TV Series) · as Kashima Ryuuichi (voice) |
| 2017 | IDOLiSH7 (TV Series) · as Minami Natsume |
| 2017 | Free! Take your Marks · as Tooru Iwashimizu / David (voice) |
| 2017 | The Ancient Magus' Bride (TV Series) · as Isaac Farrar (voice) |
| 2017 | TsukiPro the Animation (TV Series) · as Eichi Horimiya |
| 2017 | Sengoku Night Blood (TV Series) · as Masatoyo Naitou |
| 2017 | Binan koukou chikyuu boueibu Love! Love! Love! · as Atsushi Kinugawa |
| 2017 | Convenience Store Boyfriends (TV Series) · as Keiichi Miki |
| 2017 | Blame! · as Shige |
| 2017 | Sagrada Reset (TV Series) · as Hitsuchi-Kun |
| 2017 | The Laughing Salesman (TV Series) · as Tomoyoshi Doraki |
| 2017 | Overlord: The Dark Hero · as Cast |
| 2016 | All Out!! (TV Series) · as Youto Keta (voice) |
| 2016 | Time Travel Girl (TV Series) · as Leone |
| 2016 | 91 Days (TV Series) · as Frate (voice) |
| 2016 | The Highschool Life of a Fudanshi (TV Series) · as Daigo |
| 2016 | Servamp (TV Series) · as Koyuki |
| 2016 | Kiznaiver (TV Series) · as Yoshiharu Hisomu (voice) |
| 2016 | Re: ZERO, Starting Life in Another World (TV Series) · as Kiritaka Muse (voice) |
| 2016 | Ace Attorney (TV Series) · as Yusaku Amasugi |
| 2016 | Haruchika – Haruta & Chika (TV Series) · as Kouji Iwasaki (voice) |
| 2015 | Tantei Team KZ Jiken Note (TV Series) · as Kazunori Uesugi |
| 2015 | High School Star Musical (TV Series) · as Student |
| 2015 | Haikyuu!! The Movie 2: The Winner and the Loser · as Kazuhito Narita (voice) |
| 2015 | Overlord (TV Series) · as Warrior |
| 2015 | Haikyuu!! The Movie 1: The End and the Beginning · as Kazuhito Narita (voice) |
| 2015 | The Disappearance of Nagato Yuki-chan (TV Series) · as Male Teacher |
| 2015 | Rin-ne (TV Series) · as Boy A |
| 2015 | Cute High Earth Defense Club LOVE! (TV Series) · as Kinugawa Atsushi (voice) |
| 2014 | When Supernatural Battles Became Commonplace (TV Series) · as Student A |
| 2014 | Your Lie in April (TV Series) · as Soccer Club Member (voice) |
| 2014 | Blue Spring Ride (TV Series) · as Middle School Boy (voice) |
| 2014 | Nozo X Kimi (TV Series) · as Boy B |
| 2014 | Haikyu!! (TV Series) · as Kazuhito Narita (voice) |
| 2014 | No-Rin (TV Series) · as Student |
| 2014 | D-Frag! (TV Series) · as Matsuhisa |
| 2014 | Noragami (TV Series) · as Suzuha (voice) |
| 2013 | Free! (TV Series) · as Toru Iwashimizu |
| 2013 | The Severing Crime Edge (TV Series) · as Male Student |
| 2012 | Kokoro Connect (TV Series) · as Male Student |
| 2012 | Accel World (TV Series) · as Boy 1 |
| 2012 | Sankarea: Undying Love (TV Series) · as Chubby Man |
| 2011 | Ah! My Goddess: Together Forever (TV Series) · as Music Club Member |