Donald Cameron McIntosh FRSE (13 January 1868 – 1 July 1957) was a Scottish educator and mathematician.
McIntosh was born at Tomintoul, Banffshire, Scotland on 13 January 1868.
He studied at the University of Aberdeen graduating with a MA in 1890, a BSc in marine zoology 1906 and a DSc in 1912 with a thesis entitled Studies on Echinodermata and on Variation.
[1] He was elected as a Fellow of the Royal Society of Edinburgh in 1903.
His proposers were John Sturgeon Mackay, Sir Francis Grant Ogilvie, Sir John Murray and Alexander Morgan.