Koutaro Nishiyama

Known for

• Demon Slayer: Kimetsu no Yaiba(voice)8.6
• Haikyu!!Kazuhito Narita (voice), Kawashita (voice)8.6
• Your Lie in AprilSoccer Club Member (voice)8.6
• Re:ZERO -Starting Life in Another World-Kiritaka Muse (voice)8.1
• NoragamiSuzuha (voice)8.2
• The Ancient Magus' BrideIsaac Farrar (voice)8.4
• Blue Spring RideMiddle school boy (voice)8.4
• To Your EternityRean's Fiancé (voice)8.2
• HAIKYU!! The Dumpster BattleKazuhito Narita (voice)7.8
• My Happy MarriageKoji Tatsuishi (voice)8.3
• 91 DaysFrate (voice)7.6
• KiznaiverYoshiharu Hisomu (voice)7.6

Filmography

1. TBAThe Legend of Bureaucrat MatsurikaSeries: Shisei Hou (voice) (1 episode)
2. 2025With You, Our Love Will Make It ThroughSeries: Yukihiro Aida (voice) (12 episodes)
3. 2025Tougen AnkiSeries: Jin Kougasaki (voice) (48 episodes)
4. 2025Muzik Tiger in the ForestSeries: Taffee (voice) (30 episodes)
5. 2024Egumi LegacySeries: Uninvited Guest (voice) (12 episodes)
6. 2024HAIKYU!! The Dumpster BattleFilm: Kazuhito Narita (voice)
7. 2023My New Boss Is GoofySeries: Kentaro Momose (voice) (12 episodes)
8. 2023My Happy MarriageSeries: Koji Tatsuishi (voice) (7 episodes)
9. 2023IDOLiSH7 7th Anniversary Event "ONLY ONCE, ONLY 7TH"Film: Minami Natsume
10. 2023Ensemble Stars!! Reminiscence Selection: ElementSeries: Kanata Shinkai (voice) (6 episodes)
11. 2023The Tale of OutcastsSeries: Shura (voice) (13 episodes)
12. 2022Dance Dance DanseurSeries: Yamato Takura (voice) (11 episodes)
13. 2022AoashiSeries: Junnosuke Nakano (voice) (9 episodes)
14. 2022OHA! Yo~idonSeries (1 episode)
15. 2022The Heike StorySeries: Emperor Takakura (voice) (11 episodes)
16. 2022She Professed Herself Pupil of the Wise ManSeries: Aizenfald (voice) (1 episode)
17. 2021The Vampire Dies in No TimeSeries: Sagyou (voice) (24 episodes)
18. 2021Muteking the Dancing HeroSeries: Winter (voice) (12 episodes)
19. 2021RE-MAINSeries: Eitaro Oka (voice) (12 episodes)
20. 2021To Your EternitySeries: Rean's Fiancé (voice) (2 episodes)
21. 2021Dragon Goes House-HuntingSeries: Archer (voice) (12 episodes)
22. 2020Sakura Kakumei ~Hana Saku Otome-tachi~Film
23. 2020Get Up! Get Live! #GerageraSeries: Kaede Higashizawa (voice) (10 episodes)
24. 2020SING "YESTERDAY" FOR MESeries: Amamiya (voice) (2 episodes)
25. 2020A3!Series: Tsuzuru Minagi (Voice) (12 episodes)
26. 2019BEMSeries: Roddy Walker (voice) (12 episodes)
27. 2019Mix: Meisei StorySeries: Ryo Akai (voice) (24 episodes)
28. 2019Demon Slayer: Kimetsu no YaibaSeries: (voice) (1 episode)
29. 2019A3! SECOND Blooming FESTIVALFilm
30. 2018Skull-face Bookseller Honda-sanSeries (12 episodes)
31. 2018Mr. TONEGAWA Middle Management BluesSeries: Toshimasa Kawasaki (voice) (24 episodes)
32. 2018Major 2ndSeries: Hikaru Satō (voice) (50 episodes)
33. 2018School BabysittersSeries: Kashima Ryuuichi (voice) (12 episodes)
34. 2017Free!: Take Your MarksFilm: Tooru Iwashimizu / David (voice)
35. 2017The Ancient Magus' BrideSeries: Isaac Farrar (voice) (24 episodes)
36. 2017Cute High Earth Defense Club LOVE! LOVE! LOVE!Film: Atsushi Kinugawa
37. 2016ALL OUT!!Series: Youto Keta (voice) (25 episodes)
38. 201691 DaysSeries: Frate (voice) (12 episodes)
39. 2016KiznaiverSeries: Yoshiharu Hisomu (voice) (12 episodes)
40. 2016Re:ZERO -Starting Life in Another World-Series: Kiritaka Muse (voice) (5 episodes)
41. 2016Haruchika – Haruta & ChikaSeries: Kouji Iwasaki (voice) (2 episodes)
42. 2015Haikyu!! the Movie: The Winner and the LoserFilm: Kazuhito Narita (voice)
43. 2015Haikyu!! the Movie: The End and the BeginningFilm: Kazuhito Narita (voice)
44. 2015Cute High Earth Defense Club LOVE!Series: kinugawa atsushi (voice) (36 episodes)
45. 2014Your Lie in AprilSeries: Soccer Club Member (voice) (1 episode)
46. 2014Blue Spring RideSeries: Middle school boy (voice) (2 episodes)
47. 2014Haikyu!!Series: Kazuhito Narita (voice), Kawashita (voice) (39 episodes)
48. 2014NoragamiSeries: Suzuha (voice) (3 episodes)
49. 2010Tokyo EncounterSeries (2 episodes)