Mohan Ponnusamy (30 December 1949 – 30 October 2009) was an Indian politician and a member of the state unit of the Communist Party of India (Marxist) (CPI(M)). He was a member of the 13th Lok Sabha and 14th Lok Sabha, representing the Madurai constituency of Tamil Nadu as a candidate of the CPI(M). He died on 30 October 2009.^[1][2]

Mohan was active in the student movement before he joined the Party in 1973. He worked as the District Secretary of the Democratic Youth Federation of India in Madurai later on. He served as the Secretary of the Madurai Urban district of the Party for 16 years. He was a member of the Tamil Nadu State Committee of the CPI(M) for the past 25 years. In a dispute over Madurai District Hospital he was attacked by the police and had to be hospitalized for a long time.^{[citation needed]}