Wayne Maxwell Swan (born 30 June 1954) is an Australian politician. He has been an Australian Labor Party (ALP) member of the Australian House of Representatives from 1993 to 1996, and again since 1998, representing the Division of Lilley, Queensland. Following Labor's win at the 2007 election, he became Treasurer of Australia in the First Rudd Ministry.

Swan was born and educated in Nambour, Queensland. He won a Commonwealth scholarship to study public administration at the University of Queensland, becoming a lecturer in the Department of Management at the Queensland Institute of Technology (now the Queensland University of Technology) before entering politics.

From 1978 to 1980 Swan was an advisor to the Leader of the Opposition Bill Hayden, and from 1983 to 1984 was an advisor to federal Labor ministers Mick Young and Kim Beazley. He was State Secretary of the Queensland branch of the Australian Labor Party 1991-93.