Robert Douglas may refer to:
Entertainment Robert Langton Douglas (1864–1951), British art critic and director of the National Gallery of Ireland Robert Douglas (actor) (1909–1999), British actor Róbert Ingi Douglas (born 1973), Icelandic film director
Military Robert Douglas, Count of Skenninge (1611–1662), Scottish-born field-marshal in the Swedish army Sir Robert Douglas, 3rd Baronet (died 1692), Scottish soldier Robert Douglas (1727–1809), career soldier, field marshal of the Netherlands Robert Percy Douglas (1805–1891), British Army officer who became Lieutenant Governor of Jersey Robert Douglas (Royal Navy officer) (1829–1910), British admiral
Politics and law Sir Robert Douglas of Lochleven (died 1547), Scottish courtier and landowner Robert Douglas, Provost of Lincluden (died 1609), Scottish landowner, courtier, and administrator Robert Douglas, 1st Viscount Belhaven (1573–1639), Scottish courtier Robert Douglas, 8th Earl of Morton (died 1649), Scottish nobleman Robert Douglas (British politician) (c. 1703–1745), MP for Orkney and Shetland, British army officer Robert Douglas (New Zealand politician) (1837–1884) Robert M. Douglas (judge) (1849–1917), North Carolina Supreme Court justice Robert Dick Douglas (1875–1960), American lawyer and son of Robert M. Douglas Robert Albert Douglas (1887–1959), contractor and political figure in Nova Scotia, Canada
Science Robert Douglas (horticulturist) (1813–1897), English American horticulturalist and forestry consultant R. J. W. Douglas (1920–1979), Canadian geologist Robert M. Douglas (doctor) (born 1936), academic, researcher, and administrator
Sports Robert Noel Douglas (1868–1957), English cricketer and priest Robert S. Douglas (1932–2025), American sailor Robert Douglas (American football) (born 1982), retired American football fullback Rab Douglas (born 1972), Scottish football goalkeeper Rob Douglas (born 1971), American speed sailor
Other Robert Douglas (minister) (1594–1674), minister in the Church of Scotland Sir Robert Douglas, 6th Baronet (1694–1770), Scottish genealogist Robert Douglas (bishop) (died 1716), Scottish prelate Robert Kennaway Douglas (1838–1913), British oriental scholar Robert Waite Douglas (1854–1931), Canadian librarian
See also Bob Douglas (1882–1979), American sports manager, founder of the New York Renaissance Bobby Douglas (1942–2026), wrestling coach Bobby Douglass (born 1947), American football player Robert Douglass Jr. (1809–1887), African-American artist and activist