Robert Stewart MacDougall FRSE LLD (5 June 1862 – 28 March 1947) was a Scottish entomologist, agriculturalist and zoologist.
He was educated at George Heriot's School then studied sciences at the University of Edinburgh graduating with an MA.
He then began lecturing in Agricultural and Forest Zoology at the University of Edinburgh, before taking on the post of Professor of Biology at the Royal Dick Veterinary College in south Edinburgh.
His proposers were Sir Isaac Bayley Balfour, James Cossar Ewart, Sir Francis Grant Ogilvie and Ramsay Heatley Traquair.
[1] In the 1930s he lived at Ivy Lodge between Gullane and Dirleton in East Lothian.