William Moore Benidickson, PC (April 8, 1911 – April 1, 1985) was a Canadian politician. He was the Liberal-Labour Member of Parliament for Kenora—Rainy River for over twenty years. Born in Manitoba of Icelandic stock, Benidickson served in World War II as a Wing-Commander in the Royal Canadian Air Force. Following the war, he was elected to the House of Commons of Canada in the 1945 federal election. Benidickson served as parliamentary assistant to the minister of finance Douglas Abbott before serving in the same capacity to the minister of transport through the 1950s.