Issei Tajima (田島 一成, Tajima Issei, born June 15, 1962) is a former Japanese politician who served in the House of Representatives in the Diet (national legislature) as a member of the Democratic Party of Japan. A native of Hikone, Shiga he earned his undergraduate degree in Chuo University, study-abroad credit in Carleton College in Minnesota, United States and master's degree in Doshisha University. He was elected for the first time in 2005.

• 政治家情報 〜田島 一成〜. ザ･選挙 (in Japanese). JANJAN. Archived from the original on 2007-12-03. Retrieved 2007-10-02.

• Official website in Japanese.