Alexander Erwin (born 17 January 1948)[1] is a South African politician who was Minister of Public Enterprises from 29 April 2004 to 25 September 2008.
In 1979 Erwin was elected as General Secretary of the newly founded the Federation of South African Trade Unions, a position he held until 1983.
Erwin became Education Secretary of the Federation of South African Trade Unions in 1983 and held that position until 1985.
During the negotiations between the apartheid government and the anti-apartheid movement, Erwin was appointed as a member of the Development and Reconstruction Committee, a structure of the National Peace Accord Trust.
In November 2005 the first electricity load shedding started in the Western Cape, due to problems at Koeberg Power plant.