Ronald C. Read (born December 19, 1924) is a professor emeritus of mathematics at the University of Waterloo, Canada. He has published many books and papers, primarily on enumeration of graphs, graph isomorphism, chromatic polynomials, and particularly, the use of computers in graph-theoretical research. A majority of his later work was done in Waterloo.Read received his Ph.D. (1959) in graph theory from the University of London.