Donald Frank Mazankowski, PC, OC, AOE (born July 27, 1935, in Viking, Alberta) was a Canadian politician who served as a cabinet minister under Prime Ministers Joe Clark and Brian Mulroney. He is currently a consultant with the law firm Gowling Lafleur Henderson LLP. He also serves as a director or trustee for a number of companies, including Weyerhaeuser Co., ATCO Ltd., Shaw Communications Inc., and Power Corporation of Canada
