Janumpally Rameshwar Rao III (1923–1998) was an Indian lawyer, diplomat, member of parliament, book publisher and the titular Raja of Wanaparthy. Rao joined Indian Foreign Service in 1949 and served as commissioner for the Government of India in various African nations. He was elected as a Member of Parliament to the second, third, fourth, and fifth Lok Sabha successively during 1957–1977 from Mahabhubnagar constituency.