Roy Stanley Vincent (6 February 1892 – 5 June 1965) was an Australian politician and a member of the New South Wales Legislative Assembly from 1922 until 1953. He was a member of the "True Blue" faction of the Progressive Party until it became the Country Party in 1927. He was the party's Deputy Leader and Whip between 1950 and 1953. He held ministerial rank as the Secretary of Mines and Minister for Forests between 1932 and 1941.