Robert Bethea Scarborough (October 29, 1861 – November 23, 1927) was a U.S. Representative from South Carolina. Born in Chesterfield, South Carolina, about a year after the state had declared its secession to join the Confederate States, Scarborough attended the common schools and Mullins (South Carolina) Academy.He taught school and studied law.Scarborough was admitted to the bar in 1884 and commenced practice in Conway, South Carolina.He was a county attorney of Horry County 1885-1893 and served as clerk of the county board 1885-1890.He served as member of the South Carolina State senate in 1897 and 1898 and was elected president pro tempore in 1898. He served as the 63rd Lieutenant Governor of South Carolina in 1899.