Robert MacGregor Dawson FRSC (1895–1958) was a Canadian political scientist who served as Professor of Political Economy at the University of Toronto. He is best known as coauthor with Norman Ward of the 1947 textbook The Government of Canada. He was married to Sarah Ada Foster (1896–1969). They had two sons: Robert MacGregor Dawson (1927–2000; Carnegie Professor of English, University of King's College (Dalhousie University), Halifax, NS) and William Foster Dawson (1930–2011; Professor Emeritus of Political Science, University of Western Ontario, London, ON). Dawson died on 16 July 1958.