Koutaro Nishiyama Biography: Age, Wife, Siblings, Height, Net Worth, Parents, Anime Roles, Songs, Albums
Koutaro Nishiyama is a Japanese voice actor and singer from Kanagawa Prefecture, affiliated with 81 Produce. He is widely recognized for his roles as Atsushi Kinugawa in Cute High Earth Defense Club Love!, Ryūichi Kashima in School Babysitters, and Tsuzuru Minagi in A3!.
In 2018, he won the Best New Actor Award at the 12th Seiyu Awards, and in 2020, he made his solo music debut under Lantis with the mini-album CITY.
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| Name: | Koutaro Nishiyama |
| Born: | October 11, 1991 (age 35 years old) |
| Place of Birth: | Kanagawa Prefecture, Japan |
| Nationality: | Japanese |
| Ethnicity: | Japanese |
| Height: | 1.77 m |
| Religion: | Shinto |
| Parents: | Mr. and Mrs. Nishiyama |
| Siblings: | 2 |
| Occupation: | Voice Actor, Singer |
| Net Worth: | $1.5 million |
Early Life and Education
Koutaro Nishiyama came into the world on October 11, 1991, in Kanagawa Prefecture, Japan. His parents are Mr. and Mrs. Nishiyama, and he is the youngest of three children, with an older sister and an older brother.
His interest in voice acting sparked during his sixth year of elementary school when a teacher praised his reading aloud, and a friend in junior high school later suggested he pursue voice acting professionally.
He attended Clark Memorial International High School, where he enrolled in the Creative Course and studied voice acting and broadcasting. His ethnicity is Japanese, and his religion is Shinto.
Career
Koutaro Nishiyama entered the industry after winning a special award at the 3rd 81 Audition in 2009, which led to his enrollment in 81 Produce’s training school before officially joining the agency in May 2011.
His early years consisted of minor supporting roles in series such as Sankarea: Undying Love and Accel World, gradually building experience and range. His breakout role came as Atsushi Kinugawa in Cute High Earth Defense Club Love!, followed by significant parts in Kiznaiver and School Babysitters.
Nishiyama’s career expanded with a Best New Actor Award at the 12th Seiyu Awards in 2018, and he made his solo music debut under Lantis in October 2020 with the mini-album CITY.
He has released multiple mini-albums, including Laundry in 2021 and my bag in 2025, while continuing to voice characters in major anime such as My New Boss Is Goofy, My Happy Marriage, and Re:Zero Season 3. His career also extends to stage plays with the entertainment group Ooimachi Cream Soda and published works like the photo essay book Tarorizumu.
Awards and Nominations
- Best New Actor Award, 12th Seiyu Awards (2018)
- Special Prize, 3rd 81 Audition (2009)
Social Media
- Instagram Handle: @nishiyama_kokoniiruyo
- Twitter Handle: @Koutarotaro
Personal Life
Koutaro Nishiyama, 34 years old and 1.77 m tall, is single and not publicly known to be married. There is no information about any romantic relationships or having any children.
He is the youngest of three siblings, with an older sister born in 1983 and an older brother born in 1985. In his free time, he enjoys watching television and playing basketball.
Net Worth
Koutaro Nishiyama has an estimated net worth of around $1.5 million USD. His income is derived from voice acting roles in anime and video games, his music career under Lantis, stage performances, published works, and appearances at conventions and live events.
Discography
- CITY (2020, Mini Album)
- Laundry (2021, Mini Album)
- my bag (2025, Mini Album)
- waraigokoro (2026, Album)
- ALMOND (Solo Single)
- Netsuretsu Love Call (B-Project)
- 10秒ミライ (2019, Single)
What People Ask
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