Margaret C. "Margie" Morrison (19 May 1954 – 9 January 2021) was a Canadian philosopher. She worked in the philosophy of science. She was elected to the Leopoldina in 2004, the Royal Society of Canada in 2015, the Académie Internationale de Philosophie des Sciences in 2016, and received a Guggenheim Fellowship in 2017.[1][2][3]