Robert Stuart may refer to:
Robert Stuart, Duke of Kintyre and Lorne (1602–1602), fifth child of James VI of Scots and Anne of Denmark Robert Stuart, 11th Lord Blantyre (1777–1830), British Army officer Robert Stuart (judge), British Indian Judge Robert Stuart (explorer) (1785–1848), Scottish-born American fur trader Robert L. Stuart (1806–1882), American businessman and philanthropist Robert Stuart (British Army officer) (c. 1812–1901), British Army officer and veteran of the Crimean War Robert Stuart (businessman) (1852–1926), co-founder of the Quaker Oats Company Robert Y. Stuart (1883–1933), United States Forest Service administrator R. Douglas Stuart (1886–1975), United States businessman and United States ambassador to Canada Robert Stuart (cricketer) (1908–1986), Argentine cricketer Bobby Stuart (1913–1987), footballer Robert D. Stuart Jr. (1916–2014), Quaker Oats heir and founder of the 1940 America First Committee Robbie Stuart (1948-2025), New Zealand rugby player
See also Bob Stuart (1920–2005), rugby union player Bob Stuart (rugby) (1887–1959), dual-code rugby player
Robert Stewart (disambiguation) Bob Stewart (disambiguation)