David Lee Emerson, PC (born September 17, 1945, in Montreal, Quebec) is a Canadian politician, businessman and civil servant.
Emerson is a former Member of Parliament for the riding of Vancouver Kingsway. He was first elected as a Liberal and served as Minister of Industry under Prime Minister Paul Martin. After controversially crossing the floor to join Stephen Harper's Conservatives, he served as Minister of International Trade and Minister for the Pacific Gateway and the Vancouver-Whistler Olympics, followed by Minister of Foreign Affairs.
Emerson attended the University of Alberta and obtained his Bachelor of Economics degree in 1968 and his Master of Economics degree in 1970. He then went on to Queen's University where he received his Ph.D in Economics.