Eric Ross Arthur, CC (1 July 1898 – 1 November 1982) was a Canadian architect, writer and educator.
Born in Dunedin, New Zealand and educated in England, he served in World War I with the New Zealand Rifle Brigade. He emigrated to Canada in 1923 to teach architecture at the University of Toronto.
During the Centennial of the City of Toronto, in 1934, Arthur was on the "Toronto's Hundred Years" Publication Committee, which published Toronto's 100 Years.
Arthur was a professor until 1966, and remained a professor emeritus until his death. In 1963, he wrote the book, Toronto: No Mean City. In 1968, he was made a Companion of the Order of Canada.