William Simon or Bill Simon may refer to: William E. Simon (19272000), former United States Secretary of the Treasury William H. Simon, Columbia Law School professor William S. Simon (born 1960), president and CEO of Walmart U.S. (20102014) William Simon (sociologist) (19202000) Bill Simon (politician) (William Edward Simon, Jr., born 1951), American businessman and politician Bill Simon (musician) (William L. Simon, 19202000), American jazz musician Glyn Simon (William Glyn Hughes Simon, 19031972), Archbishop of Wales See also