Yiannis Vasiliadis (Greek: Γιάννης Βασιλειάδης; 1924 – 30 March 2012) was a Greek politician and former naval admiral who served as a Member of Parliament from 1985 to 1993. During this time he was deputy National Defense Minister with the government of July 1989, and Minister of Public Order from 1990 to 1991.