Jirō Ishiba (石破 二朗, Ishiba Jirō, 29 July 1908 – 16 September 1981) was a Japanese bureaucrat and politician who served as the governor of Tottori and as a member of the House of Councillors.

His father, Ichizo Ishiba, was a farmer who became the village chief in the year Jirō was born.

He began his career as a bureaucrat at the Home Ministry but later transferred to the Metropolitan Police Department.

In July 1980, he was appointed Minister for Home Affairs in the Zenkō Suzuki Cabinet but had to step down when he was diagnosed with pancreatic cancer in December of the same year.

[3][4] His funeral in Tokyo was organised by former prime minister Kakuei Tanaka, after which he instructed Ishiba's son and future prime minister, Shigeru, to stand for the general election.