Rao Bahadur Govind Sakharam Sardesai (17 May 1865 – 29 November 1959), popularly known as Riyasatkar Sardesai, was a historian from Bombay Presidency, India. Through his Riyasats written in Marathi, Sardesai presented an account of over 1,000 years of the Indian history until 1848. He also wrote the three-volume New History of Marathas in English.