R. Sedunathan is an Indian politician and was a Member of the Legislative Assembly. He was elected to the Tamil Nadu legislative assembly as a Dravida Munnetra Kazhagam (DMK) candidate from Tindivanam constituency in the 1996 election.
- "Statistical Report on General Election 1996 for the Legislative Assembly of Tamil Nadu" (PDF). Election Commission of India. p. 6. Archived from the original (PDF) on 7 October 2010. Retrieved 6 May 2017.