Jiro Ono: key obituary facts
Is Jiro Ono dead? Yes. Jiro Ono died on October 23, 2026, at age 73.
Cause of death: Jiro Ono's cause of death was reported as Aspiration pneumonia.
What was Jiro Ono known for?
He was a Japanese politician.
More about Jiro Ono
Born: 7 August 1953.
Place of birth: Tokyo.
Gender: male.
Occupation: politician, Japanese police officer, diplomat.
Nationality: Japan.
Education: University of Tokyo, University of Angers.
Also known as: Jiro Ono, Jirou Ono.
Jiro Ono, a Japanese politician, died of aspiration pneumonia at a hospital in Kodaira, Tokyo, on October 23, 2026, aged 73.
Born in Itabashi, Tokyo, and a native of Hokuto in Yamanashi Prefecture, he graduated from the University of Tokyo before joining the National Police Agency in 1976. While serving in the agency, he pursued graduate study in France, receiving a master’s degree in jurisprudence from the University of Angers.
His transition from police service to electoral politics led to a seat in the House of Representatives, to which he was first elected in the 2005 Japanese general election. He was then a member of the Liberal Democratic Party and later became a politician of Your Party. In the 2010 House of Councillors election, he ran as Your Party’s proportional-representation candidate and won. He served in the House of Councillors after previously serving in the House of Representatives. Together, the two chambers form the Diet, Japan’s national legislature. His election to the upper house marked a later stage in a political career that began in the lower house and followed his years in police service. His name is written in Japanese as 小野次郎 and is also romanized as Ono Jirō.