Robert Stuart

Robert Stuart may refer to:
 * Robert Stuart (British Army officer) (c. 1812–1901), British Army officer and veteran of the Crimean War
 * Robert Stuart (explorer) (1785–1848), Scottish-born American fur trader
 * Robert Stuart, Duke of Kintyre and Lorne (1602–1602), fifth child of James VI of Scots and Anne of Denmark
 * Robert Stuart (businessman) (1852–1926), co-founder of the Quaker Oats Company
 * Robert L. Stuart (1806–1882), American businessman and philanthropist
 * R. Douglas Stuart (1886–1975), United States businessman and United States Ambassador to Canada
 * R. Douglas Stuart Jr. (1916–2014), Quaker Oats heir and founder of the 1940 America First Committee
 * Bobby Stuart (1913–1987), footballer