Thamarapakkam Sundara Rao Naidu (1891–1949) was an Indian lawyer and politician who served as mayor of Madras city in 1946-47.
Sundara Rao Naidu joined the Justice Party in the 1920s and served as a member of the Madras Legislative Council.
Sundara Rao Naidu was nominated mayor of Madras city in 1946 and served till 1947.
Sundara Rao Naidu died unexpectedly in 1949.
T. Sundara Rao Naidu Street in Thousand Lights, Chennai, is named after him.