Kenshō Ono Biography 2026: Age, Height, Net Worth, Awards & Career
Discover the verified biography of Kenshō Ono, Japanese voice actor known for Kuroko's Basketball, JoJo's Bizarre Adventure, and his 2020 marriage to Kana Hanazawa. Updated 2026.
By Umesh Yadav · Published
Kenshō Ono (小野 賢章, Ono Kenshō, born October 5, 1989) is a Japanese actor, voice actor, singer, and narrator. He is represented by the agency Animo Produce. Ono is best known for voicing Tetsuya Kuroko in Kuroko's Basketball, Giorno Giovanna in JoJo's Bizarre Adventure: Golden Wind, Riku Nanase in Idolish7, Ryunosuke Akutagawa in Bungo Stray Dogs, and the Japanese dub voice of Harry Potter in the Harry Potter film series. He began his career as a child actor at age four and has since become one of Japan's most recognized voice actors, winning the 16th Seiyu Awards in the Best Lead Actor category in 2022.
Quick Facts Table
Early Life and Family
Childhood
Kenshō Ono was born on October 5, 1989, in Fukuoka Prefecture, Japan. He made his debut as a child actor at the age of four. The impetus came after he watched Ninja Sentai Kakuranger and expressed a desire to "go to this world". His mother, taking a practical approach, took him to a children's theater group.
In the fourth grade of elementary school, Ono successfully passed the audition for the role of Young Simba in the Shiki Theatre Company's musical production of The Lion King, performing in the show from fifth grade through the first year of junior high school.
Parents and Family Background
Ono's father is from Ehime Prefecture's Iyo City, and Ono frequently visited the area during his childhood. His name was inspired by the designer Abe Kenshō. Ono has an older brother and a younger sister. His parents are graduates of university. No publicly verified information is available regarding his parents' names or professions.
Education
Ono attended Setagaya Municipal Matsuzawa Junior High School. He later attended Tokyo Metropolitan Shinjuku High School. In junior high school, influenced by Takehiko Inoue's manga Slam Dunk, he joined the basketball club. In high school, he was a member of the light music club, serving as a guitarist and vocalist.
Ono did not attend university. His parents encouraged him to pursue higher education, but his career in the entertainment industry from childhood made it difficult to prioritize academics.
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Age and Birthday
Kenshō Ono was born on October 5, 1989. His zodiac sign is Libra. He turns 37 in October 2026.
| Detail | Information |
|---|---|
| Date of Birth | October 5, 1989 |
| Age (2026) | 36-37 years |
| Zodiac Sign | Libra |
| Blood Type | A |
Height, Weight and Physical Appearance
| Physical Attribute | Information |
|---|---|
| Height | 170 cm (5 ft 7 in) |
| Weight | 52 kg (approx. 115 lbs) |
| Blood Type | A |
| Eye Color | No publicly verified information available |
| Hair Color | No publicly verified information available |
Career Journey
Early Career (Child Actor Era)
Ono began his career as a child actor at age four. His early work included appearances in television dramas such as Shōnen H (at age 10), Himitsu no Hanazono, and Ie Naki Ko. He was affiliated with the theater company Gekidan Himawari's Sunaoka Office.
At age 12, in 2001, while still in the sixth grade of elementary school, Ono was cast as the Japanese dub voice of Harry Potter in Harry Potter and the Philosopher's Stone. This role marked his debut as a voice actor. He continued to voice Harry Potter for the entire film series, spanning ten years.
At the time, Ono had not read the original Harry Potter books. His mother, a devoted fan of the series, was reportedly happier about the role than he was.
Breakthrough
In 2012, Ono was cast as the protagonist Tetsuya Kuroko in the television anime adaptation of Kuroko's Basketball. This role proved to be a turning point in his career.
In 2014, Ono expanded his portfolio with two major anime roles: Yuya Sakaki in Yu-Gi-Oh! Arc-V and Slaine Troyard in Aldnoah.Zero. That same year, he launched his solo music career with the single "Fantastic Tune," which served as an ending theme for Kuroko's Basketball.
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Major Achievements
Ono has voiced numerous iconic anime characters across multiple genres:
- Tetsuya Kuroko – Kuroko's Basketball (2012–2015)
- Slaine Troyard – Aldnoah.Zero (2014–2015)
- Yuya Sakaki – Yu-Gi-Oh! Arc-V (2014–2017)
- Hakuryu Ren – Magi: The Labyrinth of Magic (2013–2014)
- Mikaela Hyakuya – Seraph of the End (2015)
- Ryunosuke Akutagawa – Bungo Stray Dogs (2016–present)
- Riku Nanase – Idolish7 (2018–present)
- Giorno Giovanna – JoJo's Bizarre Adventure: Golden Wind (2018–2019)
- Hathaway Noa – Mobile Suit Gundam: Hathaway's Flash (2021–present)
- Floch Forster – Attack on Titan (2018–2023)
- Yuri Briar – SPY×FAMILY (2023)
Ono also voiced Miles Morales in the Japanese dubs of Spider-Man: Into the Spider-Verse and Spider-Man: Across the Spider-Verse.
On March 5, 2022, Ono won the Best Lead Actor award at the 16th Seiyu Awards for his performance as Hathaway Noa in Mobile Suit Gundam: Hathaway's Flash.
In 2023, he released his first digital photo book, Futarikiri no Kyūjitsu.
Recent Career Updates (2026)
According to his agency profile, Ono's 2026 anime voice roles include:
- Yuru – Yomi no Tsugai (April 2026)
- Mitsuo Aoki – Nippon Sangoku (April 2026)
- Yuta Kadowaki – Otonari no Tenshi-sama ni Itsunomanika Dame Ningen ni Sareteita Ken 2 (April 2026)
- Raichi Todoroki – Diamond no Ace actII -Second Season- (April 2026)
- Jade – Saikyō no Shokugyō wa Yūsha Demo Kenja Demo Naku Kanteishi (Kari) Rashii Desu yo? (April 2026)
- Yūichi Kyōkawa – Dandelion (Netflix, April 2026)
- Ura Fūki Iin – Ponkotsu Fūki Iin to Skirt-take ga Futekisetsu na JK no Hanashi (April 2026)
- Takasei Matsumura – Ganbare! Nakamura-kun!! (April 2026)
- Shū Narita – Uchi no Otōto-domo ga Sumimasen (July 2026)
- Sasuke – Gaikotsu Kishi-sama, Tadaima Isekai e Odekake-chū II (July 2026)
- Cedric Ashberry – Tefuda ga Ōme no Victoria (July 2026)
He also continues to perform in the stage play Harry Potter and the Cursed Child.
Career Timeline
About Umesh Yadav
Avery leads editorial standards and oversees every story we publish. Previously ran entertainment desks at two national publications.
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