Ranganath Ramachandra Diwakar (30 September 1894 – 15 January 1990)[1][2] was an Indian writer and politician from Karnataka.

He made many efforts to unify the Kannada linguistic regions.

Later he became a member of the Constituent Assembly and Provisional Parliament of India from Bombay State.

He was elected as a member of the Rajya Sabha from Bombay State on 3 April 1952, but resigned on 13 June 1952.

After 1968, he distanced himself from politics and wrote several books in English, Kannada and Hindi.