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Koutarou Nishiyama

Koutarou Nishiyama

宏太朗西山

Born: October 11, 1991

125 Total Roles107 Anime & Manga Series

About 宏太朗

Birth place: Kanagawa Prefecture, Japan

Twitter/X: 🐦 @Koutarotaro | @KoutaroInfo

https://www.lantis.jp/nishiyamakoutaro/

Blog: 📝 http://ameblo.jp/koutarotaro

Content compiled by AnimeList.moe from publicly available sources.

Filmography125

Anime Staff Roles(15 roles)

Everyday Host

Everyday Host

Theme Song PerformanceTV

2025

Binan Koukou Chikyuu Bouei-bu Eternal Love!

Binan Koukou Chikyuu Bouei-bu Eternal Love!

Theme Song PerformanceMovie

2025

IDOLiSH7 Movie: LIVE 4bit - BEYOND THE PERiOD

IDOLiSH7 Movie: LIVE 4bit - BEYOND THE PERiOD

Inserted Song PerformanceMovie

2023

IDOLiSH7 Movie: LIVE 4bit - BEYOND THE PERiOD

IDOLiSH7 Movie: LIVE 4bit - BEYOND THE PERiOD

Theme Song PerformanceMovie

2023

Ensemble Stars!! Tsuioku Selection Element

Ensemble Stars!! Tsuioku Selection Element

Inserted Song PerformanceONA

2023

IDOLiSH7 Third Beat! Part 2

IDOLiSH7 Third Beat! Part 2

Theme Song PerformanceTV

2022

Character Voice Roles(110 roles)

2026(1 role)

Nihonbashi, Wataru

Supporting🇯🇵 Japanese

Hanazakari no Kimitachi e

Hanazakari no Kimitachi e

2025(9 roles)

Aida, Yukihiro

Aida, Yukihiro

Supporting🇯🇵 Japanese

Kimi to Koete Koi ni Naru

Kimi to Koete Koi ni Naru

Narrator

Supporting🇯🇵 Japanese

#Kanagawa ni Sunderu Elf

#Kanagawa ni Sunderu Elf

Yousei-san

Yousei-san

Supporting🇯🇵 Japanese

#Kanagawa ni Sunderu Elf

#Kanagawa ni Sunderu Elf

Kinugawa, Atsushi

Kinugawa, Atsushi

Main🇯🇵 Japanese

Binan Koukou Chikyuu Bouei-bu Eternal Love!

Binan Koukou Chikyuu Bouei-bu Eternal Love!

Airan

Airan

Supporting🇯🇵 Japanese

Mattaku Saikin no Tantei to Kitara

Mattaku Saikin no Tantei to Kitara

Shin

Shin

Supporting🇯🇵 Japanese

Everyday Host

Everyday Host

Kougasaki, Jin

Kougasaki, Jin

Main🇯🇵 Japanese

Tougen Anki

Tougen Anki

Teffi

Teffi

Supporting🇯🇵 Japanese

Muzik Tiger In the Forest

Muzik Tiger In the Forest

Momose, Takumi

Momose, Takumi

Supporting🇯🇵 Japanese

Wind Breaker Season 2

Wind Breaker Season 2

2024(4 roles)

Narita, Kazuhito

Narita, Kazuhito

Supporting🇯🇵 Japanese

Haikyuu!! Movie: Gomisuteba no Kessen

Haikyuu!! Movie: Gomisuteba no Kessen

Muse, Kiritaka

Muse, Kiritaka

Supporting🇯🇵 Japanese

Re:Zero kara Hajimeru Isekai Seikatsu 3rd Season

Re:Zero kara Hajimeru Isekai Seikatsu 3rd Season

Tani

Tani

Supporting🇯🇵 Japanese

Mecha-ude (TV)

Mecha-ude (TV)

Uninvited Guest

Uninvited Guest

Supporting🇯🇵 Japanese

Egumi Legacy

Egumi Legacy

2023(14 roles)

Fowler, Isaac

Fowler, Isaac

Supporting🇯🇵 Japanese

Mahoutsukai no Yome Season 2 Part 2

Mahoutsukai no Yome Season 2 Part 2

Mame and Mugi's Father

Mame and Mugi's Father

Supporting🇯🇵 Japanese

Dog Signal

Dog Signal

Teramitsu, Yuzuki

Teramitsu, Yuzuki

Main🇯🇵 Japanese

B-Project: Netsuretsu*Love Call

B-Project: Netsuretsu*Love Call

Momose, Kentarou

Momose, Kentarou

Main🇯🇵 Japanese

Atarashii Joushi wa Do Tennen

Atarashii Joushi wa Do Tennen

Penpe

Main🇯🇵 Japanese

Penpe to Pinpi Season 2

Penpe to Pinpi Season 2

Natsume, Minami

Natsume, Minami

Main🇯🇵 Japanese

Rondo

Rondo

Akai, Ryou

Akai, Ryou

Supporting🇯🇵 Japanese

Mix: Meisei Story 2nd Season - Nidome no Natsu, Sora no Mukou e

Mix: Meisei Story 2nd Season - Nidome no Natsu, Sora no Mukou e

Shinkai, Kanata

Shinkai, Kanata

Main🇯🇵 Japanese

Ensemble Stars!! Tsuioku Selection Element

Ensemble Stars!! Tsuioku Selection Element

Natsume, Minami

Natsume, Minami

Supporting🇯🇵 Japanese

IDOLiSH7 Movie: LIVE 4bit - BEYOND THE PERiOD

IDOLiSH7 Movie: LIVE 4bit - BEYOND THE PERiOD

Sagyou

Sagyou

Supporting🇯🇵 Japanese

Kyuuketsuki Sugu Shinu 2

Kyuuketsuki Sugu Shinu 2

Libera, Jasper

Libera, Jasper

Supporting🇯🇵 Japanese

High Card

High Card

Shura

Shura

Supporting🇯🇵 Japanese

Nokemono-tachi no Yoru

Nokemono-tachi no Yoru

Tatsuishi, Kouji

Tatsuishi, Kouji

Supporting🇯🇵 Japanese

Watashi no Shiawase na Kekkon

Watashi no Shiawase na Kekkon

Fowler, Isaac

Fowler, Isaac

Supporting🇯🇵 Japanese

Mahoutsukai no Yome Season 2

Mahoutsukai no Yome Season 2

2022(10 roles)

Natsume, Minami

Natsume, Minami

Main🇯🇵 Japanese

Utopia (2022)

Utopia (2022)

Roly

Roly

Main🇯🇵 Japanese

Roly Poly Peoples

Roly Poly Peoples

Natsume, Minami

Natsume, Minami

Main🇯🇵 Japanese

Never Lose, My Rule

Never Lose, My Rule

Nakano, Junnosuke

Nakano, Junnosuke

Supporting🇯🇵 Japanese

Ao Ashi

Ao Ashi

Takura, Yamato

Takura, Yamato

Supporting🇯🇵 Japanese

Dance Dance Danseur

Dance Dance Danseur

Iwashimizu, Tooru

Iwashimizu, Tooru

Supporting🇯🇵 Japanese

Free! Movie 5: The Final Stroke - Kouhen

Free! Movie 5: The Final Stroke - Kouhen

Tamamori

Tamamori

Supporting🇯🇵 Japanese

Kotarou wa Hitorigurashi

Kotarou wa Hitorigurashi

Emperor Takakura

Emperor Takakura

Supporting🇯🇵 Japanese

Heike Monogatari

Heike Monogatari

Penpe

Main🇯🇵 Japanese

Penpe to Pinpi

Penpe to Pinpi

Natsume, Minami

Natsume, Minami

Supporting🇯🇵 Japanese

IDOLiSH7 Third Beat! Part 2

IDOLiSH7 Third Beat! Part 2

2021(8 roles)

Winter

Winter

Supporting🇯🇵 Japanese

Muteking the Dancing Hero

Muteking the Dancing Hero

Oka, Eitarou

Oka, Eitarou

Main🇯🇵 Japanese

Re-Main

Re-Main

Natsume, Minami

Natsume, Minami

Supporting🇯🇵 Japanese

IDOLiSH7 Third Beat!

IDOLiSH7 Third Beat!

Horimiya, Eichi

Horimiya, Eichi

Main🇯🇵 Japanese

Tsukipro The Animation 2

Tsukipro The Animation 2

Yumizukai

Yumizukai

Supporting🇯🇵 Japanese

Dragon, Ie wo Kau.

Dragon, Ie wo Kau.

Silver

Silver

Supporting🇯🇵 Japanese

Mazica Party

Mazica Party

Uruha, Saku

Uruha, Saku

Supporting🇯🇵 Japanese

I★Chu: Halfway Through the Idol

I★Chu: Halfway Through the Idol

Sagyou

Sagyou

Supporting🇯🇵 Japanese

Kyuuketsuki Sugu Shinu

Kyuuketsuki Sugu Shinu

2020(11 roles)

Ming, Fan

Ming, Fan

Supporting🇯🇵 Japanese

Chuan Shu Zijiu Zhinan

Chuan Shu Zijiu Zhinan

Higashizawa, Kaede

Higashizawa, Kaede

Main🇯🇵 Japanese

Get Up! Get Live! #Geragera

Get Up! Get Live! #Geragera

Shinkai, Kanata

Shinkai, Kanata

Main🇯🇵 Japanese

Super Nova Revolu5tar

Super Nova Revolu5tar

Shinkai, Kanata

Shinkai, Kanata

Main🇯🇵 Japanese

Unlimited☆Power!!!!!

Unlimited☆Power!!!!!

Minagi, Tsuzuru

Minagi, Tsuzuru

Supporting🇯🇵 Japanese

A3! Season Autumn & Winter

A3! Season Autumn & Winter

Shinkai, Kanata

Shinkai, Kanata

Main🇯🇵 Japanese

Suisei Halation

Suisei Halation

Satou, Hikaru

Satou, Hikaru

Supporting🇯🇵 Japanese

Major 2nd 2nd Season

Major 2nd 2nd Season

Minagi, Tsuzuru

Minagi, Tsuzuru

Main🇯🇵 Japanese

A3! Season Spring & Summer

A3! Season Spring & Summer

Natsume, Minami

Natsume, Minami

Main🇯🇵 Japanese

RabbiTube: Creator ni Challenge!

RabbiTube: Creator ni Challenge!

Narita, Kazuhito

Narita, Kazuhito

Supporting🇯🇵 Japanese

Haikyuu!! To the Top Part 2

Haikyuu!! To the Top Part 2

Narita, Kazuhito

Narita, Kazuhito

Supporting🇯🇵 Japanese

Haikyuu!! To the Top

Haikyuu!! To the Top

2019(9 roles)

Shinkai, Kanata

Shinkai, Kanata

Supporting🇯🇵 Japanese

Ensemble Stars!

Ensemble Stars!

Tsuzuki, Kyousuke

Tsuzuki, Kyousuke

Supporting🇯🇵 Japanese

Stand My Heroes: Piece of Truth

Stand My Heroes: Piece of Truth

Natsume, Minami

Natsume, Minami

Main🇯🇵 Japanese

Bang!Bang!Bang!

Bang!Bang!Bang!

Walker, Roddy

Walker, Roddy

Supporting🇯🇵 Japanese

Bem

Bem

Tea

Main🇯🇵 Japanese

Terrace House x Craft Boss

Terrace House x Craft Boss

Abiko, Tokio

Abiko, Tokio

Supporting🇯🇵 Japanese

Jimoto ga Japan

Jimoto ga Japan

Teramitsu, Yuzuki

Teramitsu, Yuzuki

Main🇯🇵 Japanese

B-Project: Zecchou*Emotion

B-Project: Zecchou*Emotion

Lorenz

Lorenz

Main🇯🇵 Japanese

Senjuushi: Kijuushi-tachi no Happy Birthday!

Senjuushi: Kijuushi-tachi no Happy Birthday!

Akai, Ryou

Akai, Ryou

Supporting🇯🇵 Japanese

Mix: Meisei Story

Mix: Meisei Story

2018(9 roles)

Satou, Hikaru

Satou, Hikaru

Main🇯🇵 Japanese

Major 2nd

Major 2nd

Kendou

Kendou

Supporting🇯🇵 Japanese

Gaikotsu Shotenin Honda-san

Gaikotsu Shotenin Honda-san

Amasugi, Yuusaku

Amasugi, Yuusaku

Supporting🇯🇵 Japanese

Gyakuten Saiban: Sono "Shinjitsu", Igi Ari! Season 2

Gyakuten Saiban: Sono "Shinjitsu", Igi Ari! Season 2

Kashima, Ryuuichi

Kashima, Ryuuichi

Main🇯🇵 Japanese

Gakuen Babysitters Special

Gakuen Babysitters Special

Kawasaki, Toshimasa

Kawasaki, Toshimasa

Supporting🇯🇵 Japanese

Chuukan Kanriroku Tonegawa

Chuukan Kanriroku Tonegawa

Lorenz

Lorenz

Main🇯🇵 Japanese

Senjuushi

Senjuushi

Iwashimizu, Tooru

Iwashimizu, Tooru

Supporting🇯🇵 Japanese

Free! Dive to the Future: Soushun no Build-up!

Free! Dive to the Future: Soushun no Build-up!

Kashima, Ryuuichi

Kashima, Ryuuichi

Main🇯🇵 Japanese

Gakuen Babysitters

Gakuen Babysitters

Angoramori

Supporting🇯🇵 Japanese

Hataraku Oniisan!

Hataraku Oniisan!

2017(13 roles)

Shao

Shao

Main🇯🇵 Japanese

Yume Oukoku to Nemureru 100-nin no Oujisama: Short Stories

Yume Oukoku to Nemureru 100-nin no Oujisama: Short Stories

Iwashimizu, Tooru

Iwashimizu, Tooru

Supporting🇯🇵 Japanese

Free! Take Your Marks

Free! Take Your Marks

David

Supporting🇯🇵 Japanese

Free! Take Your Marks

Free! Take Your Marks

Naitou, Masatoyo

Naitou, Masatoyo

Supporting🇯🇵 Japanese

Sengoku Night Blood

Sengoku Night Blood

Horimiya, Eichi

Horimiya, Eichi

Main🇯🇵 Japanese

Tsukipro The Animation

Tsukipro The Animation

Miki, Keiichi

Miki, Keiichi

Supporting🇯🇵 Japanese

Konbini Kareshi

Konbini Kareshi

Iwashimizu, Tooru

Iwashimizu, Tooru

Supporting🇯🇵 Japanese

Free! Movie 2: Timeless Medley - Yakusoku

Free! Movie 2: Timeless Medley - Yakusoku

Kinugawa, Atsushi

Kinugawa, Atsushi

Main🇯🇵 Japanese

Binan Koukou Chikyuu Bouei-bu Love! Love! Love!

Binan Koukou Chikyuu Bouei-bu Love! Love! Love!

Uranishi, Shouta

Uranishi, Shouta

Supporting🇯🇵 Japanese

Karadasagashi

Karadasagashi

Yoshii, Ryouji

Yoshii, Ryouji

Supporting🇯🇵 Japanese

Sakurada Reset

Sakurada Reset

Shige

Supporting🇯🇵 Japanese

Blame! Movie

Blame! Movie

Doraki, Tomoyoshi

Supporting🇯🇵 Japanese

Warau Salesman New

Warau Salesman New

Hinobori, Aoi

Hinobori, Aoi

Main🇯🇵 Japanese

Nui Nui Hinobori San Kyoudai

Nui Nui Hinobori San Kyoudai

2016(10 roles)

Narita, Kazuhito

Narita, Kazuhito

Supporting🇯🇵 Japanese

Haikyuu!! Karasuno Koukou vs. Shiratorizawa Gakuen Koukou

Haikyuu!! Karasuno Koukou vs. Shiratorizawa Gakuen Koukou

Keta, Yuto

Keta, Yuto

Supporting🇯🇵 Japanese

All Out!!

All Out!!

Daigo

Daigo

Supporting🇯🇵 Japanese

Fudanshi Koukou Seikatsu: Sports no Aki, Bonnou no Aki

Fudanshi Koukou Seikatsu: Sports no Aki, Bonnou no Aki

Vanetti, Frate

Vanetti, Frate

Supporting🇯🇵 Japanese

91 Days

91 Days

Daigo

Daigo

Supporting🇯🇵 Japanese

Fudanshi Koukou Seikatsu

Fudanshi Koukou Seikatsu

Kinugawa, Atsushi

Kinugawa, Atsushi

Main🇯🇵 Japanese

Binan Koukou Chikyuu Bouei-bu Love! Love!

Binan Koukou Chikyuu Bouei-bu Love! Love!

Hisomu, Yoshiharu

Hisomu, Yoshiharu

Main🇯🇵 Japanese

Kiznaiver

Kiznaiver

Koyuki

Koyuki

Supporting🇯🇵 Japanese

Servamp

Servamp

Vanetti, Frate

Vanetti, Frate

Supporting🇯🇵 Japanese

91 Days: Mijikai Rousoku

91 Days: Mijikai Rousoku

Ooga

Supporting🇯🇵 Japanese

High School Fleet

High School Fleet

2015(8 roles)

Kinugawa, Atsushi

Kinugawa, Atsushi

Main🇯🇵 Japanese

Binan Koukou Chikyuu Bouei-bu Love!

Binan Koukou Chikyuu Bouei-bu Love!

Narita, Kazuhito

Narita, Kazuhito

Supporting🇯🇵 Japanese

Haikyuu!! Second Season

Haikyuu!! Second Season

Suzuha

Suzuha

Supporting🇯🇵 Japanese

Noragami Aragoto

Noragami Aragoto

Uesugi, Kazunori

Uesugi, Kazunori

Main🇯🇵 Japanese

Tantei Team KZ Jiken Note

Tantei Team KZ Jiken Note

Bellote

Bellote

Supporting🇯🇵 Japanese

Overlord

Overlord

Narita, Kazuhito

Narita, Kazuhito

Supporting🇯🇵 Japanese

Haikyuu!! Movie 1: Owari to Hajimari

Haikyuu!! Movie 1: Owari to Hajimari

Narita, Kazuhito

Narita, Kazuhito

Supporting🇯🇵 Japanese

Haikyuu!! Movie 2: Shousha to Haisha

Haikyuu!! Movie 2: Shousha to Haisha

Kirara, Sakutarou

Kirara, Sakutarou

Supporting🇯🇵 Japanese

Jewelpet Magical Change

Jewelpet Magical Change

2014(4 roles)

Matsuhisa

Matsuhisa

Supporting🇯🇵 Japanese

D-Frag!

D-Frag!

Iwashimizu, Tooru

Iwashimizu, Tooru

Supporting🇯🇵 Japanese

Free! Eternal Summer

Free! Eternal Summer

Kawashima, Yuuki

Kawashima, Yuuki

Supporting🇯🇵 Japanese

Haikyuu!!

Haikyuu!!

Narita, Kazuhito

Narita, Kazuhito

Supporting🇯🇵 Japanese

Haikyuu!!

Haikyuu!!