Sundara Sastri Satyamurti (August 19, 1887 – March 28, 1943) was an Indian independence activist and politician. He was acclaimed for his rhetoric and was one of the leading politicians of the Indian National Congress from the Madras Presidency, alongside S. Srinivasa Iyengar, C. Rajagopalachari and T. Prakasam. Satyamurti is regarded as the mentor of K. Kamaraj, Chief Minister of Madras state from 1954 to 1962.