Robert Allan may refer to:

Poetry Robert Allan (poet) (1774–1841), Scottish poet Rob Allan (1945–2021), New Zealand poet

Politics Robert Allan, Baron Allan of Kilmahew (1914–1979), Conservative politician Robert George Allan (1879–1972), agricultural administrator in India Robert M. Allan (1880–1965), member of the City Council in Los Angeles, 1921–1927 Robert Allan (trade unionist), leader of the Scottish Trades Union Congress

Other Robert Allan (businessman) (1847–1927), manufacturer in Christchurch, New Zealand Robert Allan (footballer), goalkeeper for Sunderland A.F.C. (1907–08) Robert Allan (mineralogist) (1806–1863), fellow of the Royal Society of Edinburgh, fellow of the Geological Society Robert Allan Ltd., Canadian naval architectural firm Robert Weir Allan (1851–1942), Scottish-born painter Bob Allan (1872–1918), Scottish footballer

See also Robert Allen (disambiguation)