Tasuku Tsukada (塚田 佐, Tsukada Tasuku) (born March 3, 1936) is a Japanese politician, and the former mayor of the city of Nagano, the capital of Nagano Prefecture, in central Japan. Tsukada won his first mayoral contest in 1985. He served four full 4-year terms, until November 10, 2001. In 1997, Tsukada served as the Vice President of the Japan Association of City Mayors. Tsukada retired from municipal politics in 2001. Following retirement from politics, Tsukada served as an auditor at Nagano Jidosha Center, and from 2007 an external auditor at Moriya Corporation in Nagano.