S. Gurunathan

 S. Gurunathan was an Indian politician and former Member of the Legislative Assembly. He was elected to the Tamil Nadu Legislative Assembly as a Dravida Munnetra Kazhagam candidate from Palayamkottai constituency in 1989 election. In 2024, he joined the Bharatiya Janata Party in the presence of Tamil Nadu BJP chief K. Annamalai and Rajeev Chandrasekhar.