S. P. Shunmuganathan (born 9 September 1954) is an Indian politician and former member of the Tamil Nadu Legislative Assembly from Srivaikuntam constituency.

[1] S. P. Shunmuganathan was born on 9 September 1954 in Pandaravailai in Thoothukudi district of Tamil Nadu.

[3][4] In 2006 Tamil Nadu assembly elections, he lost to D. Selvaraj of Indian National Congress by 1,632 votes in the Srivaikuntam constituency.

[6] He was sacked as Minister for Rural Industries in November 2011 as part of the third cabinet reshuffle in a five-month period by Jayalalithaa.

[8] In 2016 Assembly elections Shunmuganathan won in Srivaikuntam Constituency against Indian National Congress candidate Rani Venkatesan.