K. A. Shanmuga Mudaliar (2November 188517July 1978) was an Indian educationalist, freedom fighter, and politician. He was former Chairman and former Member of the Legislative Assembly from Tirupattur constituency as a Congress candidate. He worked for the development of education in the Gudiyatham area of Tirupattur. He donated 47 acres of his own land and 5lakh () rupees to set up the Government Thirumagal Mill's College.
He served as President of Sengunthar Mahajana Sangam for more than 20 years.