R. Krishnan was a Tamil politician and former Member of the Legislative Assembly. He was elected to the Tamil Nadu legislative assembly as a Communist Party of India (Marxist) candidate from Vasudevanallur constituency in 1977 and 1980 elections.[1] [2]
He contested twice from Tenkasi Lok Sabha constituency in 1984 and 1989 elections and lost both to M. Arunachalam.[3] [4]