Robert Douglas McIntyre (15 December 1913 – 2 February 1998) was a Scottish physician and a Scottish National Party politician and Member of Parliament.
McIntyre studied Medicine at the University of Edinburgh and the University of Glasgow, and worked as a GP and a consultant pulmonologist.
He came to political prominence in 1945 when he won the Motherwell by-election, becoming the SNP's first ever-elected Member of Parliament.McIntyre served as the Leader of the Scottish National Party from 1947–56, and as President of the SNP from 1958-1980.
He was the Provost of Stirling from 1967-1975.
Known affectionately as "Doc Mac", he was often referred to as the "Father of the SNP".