Naoki Tanaka (田中 直紀, Tanaka Naoki, born 19 June 1940 as Naoki Suzuki) is a Japanese politician of the Democratic Party of Japan, a member of the House of Councillors in the Diet (national legislature), from Niigata Prefectural electorate. He is a native of Kanazawa, Ishikawa and graduate of Keio University.

Naoki Tanaka
田中 直紀
Minister of Defence
In office 13 January 2012 – 4 June 2012
Prime Minister	Yoshihiko Noda
Preceded by	Yasuo Ichikawa
Succeeded by	Satoshi Morimoto
Personal details
Born	鈴木 直紀 (Suzuki Naoki) (1940-06-19) 19 June 1940 (age 83) Kanazawa, Ishikawa, Japan
Political party	Democratic Party
Spouse	Makiko Tanaka
Alma mater	Keio University

When he married Makiko Tanaka he changed his family name to hers. He was elected to the House of Representatives for the first time in 1983. After losing his seat in 1996, he was elected to the House of Councillors for the first time in 1998.^{[citation needed]}