Padayatt Kesavapillai Vasudevan Nair (2 March 1926 – 12 July 2005), popularly known as PKV, was the 9th Chief Minister of Kerala and a senior leader of the Communist Party of India (CPI). He was elected to the Lok Sabha four times, in 1957, 1962, 1967 and 2004, and to the Kerala Legislative Assembly twice, in 1977 and 1980. He became Chief Minister on 20 October 1978, following A. K. Antony's resignation as Chief Minister. However he resigned on 7 October 1979 owing to differences with other parties in the United Front.