Kōtarō Koizumi
Kotaro Koizumi is a Japanese actor and the eldest son of the 56th Japanese Prime Minister, Junichiro Koizumi, and Kayoko Miyamoto, he is the older brother of Japanese Defense Minister Shinjirou Koizumi. Kōtarō Koizumi was born in Yokosuka, Kanagawa, he studied economics at night classes of Nihon University, but dropped out.
Also recorded as Koizumi Kōtarō
Kōtarō Koizumi
Dick Thomas Johnson · CC BY 2.0
- Name
- Kotaro Koizumi
- Born
- 10 July 1978
- Birthplace
- Yokosuka, Kanagawa, Japan
- Occupation
- Actor
- Nationality
- Japan
- Education
- Nihon University
- Languages
- Japanese
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Documentary evidence
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wikidata · Q1036065
In this article
Key facts
Key facts
• Name — Kotaro Koizumi • Native Name — 小泉孝太郎 • Born — 10 July 1978 • Birthplace — Yokosuka, Kanagawa, Japan • Parents — Junichiro Koizumi Kayoko Miyamoto • Relatives — Shinjirō Koizumi (brother) Jun'ya Koizumi (grandfather) Yoshie Koizumi (grandmother) Koizumi Matajirō (great-grandfather) • Occupation — Actor • Years Active — 2001–present
Television
Television
• Who Wants to Be a Millionaire?, won the maximum ten million yen on a celebrity special • Ninomiya Kotaro (Fuji, July 2024) (co-starring with Kazunari Ninomiya)
TV dramas
TV dramas
• Nurseman (2002) • Hatsu Taiken (2002) • Shiawase No Shippo (2002) • Kurutta Kajitsu 2002 (2002) • Home & Away (2002) • Boku dake no Madonna (2003) • Korogashi Ogin (2003) • Igi Ari, Onna Bengoshi Oka Norie (2004) • Division 1 \"Pink Hip Girl\" (Fuji TV, 2004) • Yoshitsune (2005), Taira no Sukemori • Slow Dance (2005) • Tokyo Wonder Tours (2005) • Gachi Baka (2006) • Attention Please (2006) • Fushin no Toki (2006) • The Pride of the Temp (2007) • Attention Please SP (2007) • Hanayome to Papa (2007) • Otoko no Kosodate (2007) • Gokusen 3 (2008) • Yae's Sakura (2013), Tokugawa Yoshinobu • Age Harassment (2015) • Akira and Akira (2017) • Black Pean (2018), Takashina Gonta • The Good Wife (2019) • The 13 Lords of the Shogun (2022), Taira no Munemori • Fixer (2023), Kōji Itakura • Black Pean Season 2 (2024), Takashina Gonta • Passing the Reins (2025), Yutaro Sanno
Other Activity
Other Activity
On May 7, 2026, it was revealed that Koizumi was chosen, together with Kaori Sakamoto and Hey! Say! JUMP's Ryosuke Yamada, as ambassador for the NTV yearly SDGs campaign "Good for the Planet Week".
Life and career
Dated record
Life and career
The full dated record · 1 entries
1978
Kōtarō Koizumi was born on 10 July 1978.
Films
• Bayside Shakedown 2 (2003), Shigeru Koike • Koshonin Mashita Masayoshi (2005), Shigeru Koike • Kamen Rider Hibiki & The Seven Fighting Demons (2005), Takeshi • Udon (2006), Udon shop customers • Bayside Shakedown 3 (2010), Shigeru Koike • Whistleblower (2019), Shōhei Nagura • You're Not Normal, Either (2021), Miyamoto • The Hound of the Baskervilles: Sherlock the Movie (2022), Haruto Sutei • Oshorin (2023) • Rude to Love (2024), Mamoru • Hoshi no Kyoshitsu (2026)
Text attribution
Licensing
Text attribution
Part of the biographical narrative on this page reuses licensed material. Its origin, revision and licence are recorded here.
The biographical narrative on this page is based on the Wikipedia article Kotaro Koizumi, revision 1366591645 (EN edition), by its contributors. VALÉORINE has edited that text and built its own documentary record around it. The reused material is available under CC BY-SA 4.0, and this page's reuse of it is offered under the same licence. Everything else on this page — the chronology, the holdings, the evidence, the plates and the connections — is VALÉORINE's own record. Sources and licences.
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authority record
General reference
Further particulars
Held on the record
Further particulars
Open the remaining particulars
Identity and origins. The authorities additionally record the heading Koizumi Kōtarō. His recorded language was Japanese. He was the child of Junichiro Koizumi and Kayoko Miyamoto.
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 17 August 2026.
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