Thalikottai Raju Baalu (born 15 June 1941), also known as T. R. Baalu, is an Indian Tamil politician. T.R. Baalu did his B.Sc. from New College, Chennai in Madras University and diploma in drafting engineering drawings from Central polytechnic Chennai. He is currently the MP of Lok Sabha of the Sriperumbudur constituency. He is a member of Lok Sabha of India and has been elected five times since 1996. He is an important leader of the DMK party and is known for political loyalty having been in the party since 1957. He served as the Principal Secretary of the party from August 2018 to January 2020. He now serves as the Treasurer of DMK, elected unopposed on 3 September 2020.