George Norman Hillmer CM (born 1942) is a Canadian historian and is among the leading scholars on Canada–US relations.
Hillmer completed his Bachelor of Arts and Master of Arts degrees in history at the University of Toronto in 1966 and 1967, respectively, before going on to earn a Doctor of Philosophy degree from Christ's College, Cambridge, in 1974.
In 1972, Hillmer joined the Directorate of History at Canada's Department of National Defence as a staff historian.
Hillmer collaborates with other scholars on many of his book projects, often with the respected Canadian historian J. L. Granatstein.
Stacey Prize for "for distinguished publications on the twentieth-century military experience."