Raja Sri Ravu Svetachalapati Sir Ramakrishna Ranga Rao KCIE (20 February 1901 – 10 March 1978) was an Indian politician and zamindar who served as the Chief Minister of Madras Presidency from 5 November 1932 to 4 April 1936 and 24 August 1936 to 1 April 1937. Ramakrishna Ranga Rao was born in the royal family of Bobbili zamindari in 1901. He succeeded his father to the throne of Bobbili and ruled as zamindar from 1921 to 1948 and as the titular "Raja of Bobbili" from 1948 to 1978. He set up trusts and patronized sports and education.