Hattori Ichizo (Japanese: 服部 一三, Hepburn: Hattori Ichizō, March 13, 1851 – January 25, 1929) was a Japanese politician who served as governor of Hiroshima Prefecture from July to December 1898. He was also governor of Iwate Prefecture (1891–1898), Nagasaki Prefecture (1898–1900) and Hyōgo Prefecture (1900–1916). He was the first president of the Seismological Society of Japan (1880–1882), as well as president of Kyoritsu Women's University (1886–1891). He was on the faculty of the University of Tokyo and Kyoto University.
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