M. N. Govindan Nair (10 December 1910–1984), popularly known as MN, was born in Pandalam, in Pathanamthitta District, India.
He was one of the foremost leaders of the Communist Party of India (CPI). He was the General Secretary of the Communist Party (undivided), and it is to be noted that it was under his Secretaryship that Communist Party came to power in the 1957 General Elections in Kerala which made the path for the E.M.S. Namboothiripad Ministry of 1957–1959. In 1964 when Communist Party split he remained in the CPI)He was Member of Parliament, and served as the Minister of Kerala. He was elected to the Kerala Legislative Assembly in the General Elections of 1967 from Punalur Constituency and re-elected to the Assembly from Chadayamangalam Constituency in 1971 General Election. He undertook portfolios like Minister for Agriculture, Transport, Electricity and Housing in the Fourth Kerala Legislative Assembly in the C. Achutha Menon Government from 4 October 1970 to 25 March 1977.
P. Govinda Pillai and P. K. Vasudevan Nair, famous Communist Party ideologue and leader of Kerala respectively are his relatives.