P. Jayarajan (born 27 November 1952) is a member of the Communist Party of India (Marxist) Kerala state committee and former member of the Kerala Legislative Assembly who represented Koothuparamba constituency from 2001 to 2011. He served as the secretary of Communist Party of India (Marxist) Kannur District Committee from 2010 until he was replaced by M.V. Jayarajan in March 2019. In March 2019 he was named the Left Democratic Front candidate from Vatakara for the 2019 Indian General Elections.