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