Robert Stuart may refer to:
- Robert Stuart, Duke of Kintyre and Lorne (1602âÂÂ1602), fifth child of James VI of Scots and Anne of Denmark
- Robert Stuart, 11th Lord Blantyre (1777âÂÂ1830), British Army officer
- Robert Stuart (explorer) (1785âÂÂ1848), Scottish-born American fur trader
- Robert L. Stuart (1806âÂÂ1882), American businessman and philanthropist
- Robert Stuart (British Army officer) (c. 1812âÂÂ1901), British Army officer and veteran of the Crimean War
- Robert Stuart (businessman) (1852âÂÂ1926), co-founder of the Quaker Oats Company
- Robert Y. Stuart (1883âÂÂ1933), United States Forest Service administrator
- R. Douglas Stuart (1886âÂÂ1975), United States businessman and United States ambassador to Canada
- Robert Stuart (cricketer) (1908âÂÂ1986), Argentine cricketer
- Bobby Stuart (1913âÂÂ1987), footballer
- Robert D. Stuart Jr. (1916âÂÂ2014), Quaker Oats heir and founder of the 1940 America First Committee
- Robbie Stuart (1948-2025), New Zealand rugby player
See also