Tadamori Ōshima
| Tadamori Ōshima | |
|---|---|
| 大島 理森 | |
| Official portrait, 2002 | |
| Speaker of the House of Representatives | |
| In office 21 April 2015 – 14 October 2021 | |
| Monarchs | Akihito Naruhito | 
| Deputy | |
| Preceded by | Nobutaka Machimura | 
| Succeeded by | Hiroyuki Hosoda | 
| Minister of Agriculture, Forestry and Fisheries | |
| In office 30 September 2002 – 1 April 2003 | |
| Prime Minister | Junichiro Koizumi | 
| Preceded by | Tsutomu Takebe | 
| Succeeded by | Yoshiyuki Kamei | 
| Minister of Education and Director-General of the Science and Technology Agency | |
| In office 4 July 2000 – 5 December 2000 | |
| Prime Minister | Yoshirō Mori | 
| Preceded by | Hirofumi Nakasone | 
| Succeeded by | Nobutaka Machimura | 
| Director-General of the Environmental Agency | |
| In office 8 August 1995 – 11 January 1996 | |
| Prime Minister | Tomiichi Murayama | 
| Preceded by | Sohei Miyashita | 
| Succeeded by | Sukio Iwatare | 
| Deputy Chief Cabinet Secretary | |
| In office 2 February 1990 – 5 November 1991 | |
| Prime Minister | Toshiki Kaifu | 
| Preceded by | Takao Fujimoto | 
| Succeeded by | Motoji Kondo | 
| Member of the House of Representatives | |
| In office 19 December 1983 – 14 October 2021 | |
| Preceded by | Multi-member district | 
| Succeeded by | Junichi Kanda | 
| Constituency | Aomori 1st (1983–1996) Aomori 3rd (1996–2017) Aomori 2nd (2017–2021) | 
| Member of the Aomori Prefectural Assembly | |
| In office 23 April 1975 – June 1980 | |
| Constituency | Hachinohe City | 
| Personal details | |
| Born | 6 September 1946 Hachinohe, Japan | 
| Political party | Liberal Democratic | 
| Alma mater | Keio University | 
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. He is affiliated to the revisionist lobby Nippon Kaigi.