Parvathi Krishnan (15 March 1919 – 20 February 2014) was an Indian politician from the Communist Party of India
Parvathi was born on 15 March 1919 to P. Subbarayan and Radhabai Subbarayan. She did her B. A. (Hons.) from the University of Oxford and joined the Communist Party of India.
Parvathi contested for the Coimbatore Lok Sabha seat as a Communist Party of India candidate in the 1952 by-election (caused by the death of T. A. Ramalingam Chettiar). She was defeated by INC’s N.M. Lingam. Later she was nominated to the Rajya Sabha on 3 April 1954 and served as a member of the Rajya Sabha till 12 March 1957. She was elected to the Lok Sabha from Coimbatore constituency as a Communist Party of India candidate in 1957 & 1977 general elections and the 1974 by-election. She lost the 1962 election to P. R. Ramakrishnan from Indian National Congress party,the 1980 election to Era Mohan from Dravida Munnetra Kazhagam party(contesting from Coimbatore) and the 1984 election to M. Thambi Durai of the Anna Dravida Munnetra Kazhagam party (contesting from Dharmapuri)
She married N. K. Krishnan in December 1942. The couple have a daughter, Indira, and a granddaughter, Poornima.