Haru Nishioka

was a Japanese businesswoman and politician who was a member of the House of Councillors.

Early life Haru Nishioka was born on 21 December 1905 with the surname in the city of Nagasaki, as the fifth daughter of the ten children of and , and at the age of two, she was adopted by his aunt and given the surname After graduating from Tamaki Women's School in 1923, she spent one year working as a maid in an asset house for social experience. She spent many days supporting her husband's political activities. In March 1945, the family's home in Tokyo was partially destroyed by air raids, and they were evacuated to Unzen, Nagasaki; two months later the home was completely destroyed by air raid. Although she declined at first, she decided to run at the recommendation of his husband, Tsuruhei Matsuno, and Eisaku Satō.

She was elected to the House of Councillors, where she served in the welfare and construction committees, helped families of war casualties, enacting the Prostitution Prevention Act, developing a simple water supply on remote islands in Nagasaki Prefecture, and reconstructing the city of Nagasaki. She also served as both the Liberal Democratic Party's secretary and House of Councillors Accounting Director. She assumed the position of the director of the newly-created Nagasaki Shimbun Company was founded, and became its representative director and vice president, before she resigned as director in 1966.

In 1963, her first-born son Takeo Nishioka was elected to the House of Councillors in the 1963 Japanese general election. Her fourth-son Kimio Nishioka was a member of the Nagasaki Prefectural Assembly.