Tadamori Ōshima (Japanese: 大島 理森, Hepburn: Ōshima Tadamori, born September 6, 1946) is a former Japanese politician who served as the Speaker of the House of Representatives of Japan from 2015 to 2021.
A member of the Liberal Democratic Party, he previously served as the Minister of Agriculture, Forestry and Fisheries, and the Minister of Education, Culture, Sports, Science and Technology.
[1][2] A native of Hachinohe, Aomori and graduate of Keio University, he worked at the national newspaper Mainichi Shimbun from 1970 to 1974, and was elected to the Aomori Prefectural Assembly in 1975.
[citation needed] He was elected to the House of Representatives for the first time in 1983 after an unsuccessful run in 1980.
After his political career, he was appointed as a member of the Yokozuna Deliberation Council in January 2023.