Alexandros Giotopoulos (Greek: Αλέξανδρος Γιωτόπουλος; born 1944 in Paris) is a convicted terrorist, currently serving seventeen life sentences plus 25 years imprisonment. He was found guilty in 2003 of leading the Marxist Greek urban guerrilla group Revolutionary Organization 17 November (17N). Alexandros Giotopoulos was an opponent of the Greek military junta of 1967-1974. He is the son of Dimitris Giotopoulos, once a secretary of Leon Trotsky, also known as Witte, who was a leader of the Greek Trotskyist party of archeiomarxists.