Tadayoshi Nagashima | |
|---|---|
長島 忠美 | |
Official portrait, 2014 | |
| |
| In office 11 September 2005 – 18 August 2017 | |
| Preceded by | Multi-member district |
| Succeeded by | Hirohiko Izumida |
| Constituency | PR block (2005–2012) Niigata 5th (2012–2017) |
| Mayor of Yamakoshi | |
| In office 31 March 2000 – 31 March 2005 | |
| Preceded by | Shogo Sakai |
| Succeeded by | Office abolished |
| Personal details | |
| Born | 9 January 1951 |
| Died | 18 August 2017 (aged 66) Nagaoka, Niigata, Japan |
| Party | Liberal Democratic |
| Education | Toyo University |
Tadayoshi Nagashima (長島 忠美, Nagashima Tadayoshi; 9 January 1951 – 18 August 2017) was a Japanese politician who served in the House of Representatives in the Diet (national legislature) as a member of the Liberal Democratic Party.

Born in the village of Yamakoshi, Niigata (now part of the city of Nagaoka), Nagashima graduated the Toyo University.
He served as mayor of his hometown Yamakoshi between 2000 and 2005, the year the village, severely damaged by an earthquake in 2004, merged with the city of Nagaoka.
Nagashima was elected to the Diet for the first time in 2005.
According to the LDP website, he held the following positions:
Nagashima was affiliated to the openly revisionist lobby Nippon Kaigi, and a member of the following right-wing groups in the Diet:
Nagashima gave the following answers to the questionnaire submitted by Mainichi to parliamentarians in 2014: