C. K. Kuppuswamy (born 16 March 1932) is an Indian politician from Tamil Nadu and a three-time member of Lok Sabha.
Kuppuswamy was born in Chandrapuram, Coimbatore district, Tamil Nadu.
Kuppuswamy was first elected as a Member of Parliament in 1984. He won the Indian General Election in Tamil Nadu representing Indian National Congress from Coimbatore Lok Sabha Constituency defeating R. Umanath of CPI(M). He was re-elected from Coimbatore Lok Sabha constituency in the 9th and 10th Lok Sabha elections winning in 1989 and 1991. In 1989 he defeated R. Umanath and in 1991, he defeated K. Ramani, both CPI(M) candidates. In 1996, he lost to DMK's M. Ramanathan. In 1999, he shifted to TMC(M) party and contested from Gobichettipalayam. He finished third after AIADMK (winner) and DMK. In September 2018, he joined Pattali Makkal Katchi.