Rao Bahadur Mylai Chinna Thambi Rajah (17 June 1883 – 28 August 1945) was a Tamil politician, social and political activist from the Indian state of Tamil Nadu.
He was born into Paraiyar caste, which is a Scheduled Caste.
Rajah was born to a Tamil family of Madras.
He entered politics after graduation and was a leader in the Justice Party.
However, he quit the party in 1923 over the party's treatment of Paraiyars and allied with B.
R.
Ambedkar until, in turn, parting ways again over ideological differences.
Rajah died in 1943.
In his heyday, Rajah was considered to be a person equal in stature to Ambedkar.
Rajah, along with Ambedkar and Rettamalai Srinivasan, represented the Scheduled Castes at the Second Round Table Conference in London.