John David Maloney (born January 5, 1945 in Welland, Ontario) is a Canadian politician. He is currently the mayor of Port Colborne, Ontario. He was a member of the House of Commons of Canada 1993 to 2008, and represented the riding of Welland and its antecedents for the Liberal Party.Maloney has a Bachelor of Arts degree and a Diploma in Criminology from the University of Toronto, as well as a law degree from Osgoode Hall. He practiced law before entering political life.