Dr. C. Natesa Mudaliar (1875–1937), also known as Natesan, was an Indian politician and activist of the Dravidian Movement from the Indian state of Tamil Nadu. He was one of the founders of the Justice Party, along with P. Theagaraya Chetty and Dr. T. M. Nair. He is often mentioned as Dravida Thanthai (lit., Father of the Dravidian Movement). Mudaliar was born in Triplicane, Madras, in 1875. His early schooling was in Madras, following which he graduated from Presidency College and Madras Medical College before practising as a doctor.