Mahir Çayan (15 March 1946 in Samsun - 30 March 1972, Kızıldere) was a Turkish politician and the leader of People's Liberation Party-Front of Turkey (Türkiye Halk Kurtuluş Partisi - Cephesi). He was a Marxist-Leninist revolutionary leader. On 30 March 1972, he was killed by soldiers with nine friends in Kızıldere village.