Gun Margareta Winberg is a Swedish Social Democratic politician. Winberg held various ministerial posts in the Third cabinet of Ingvar Carlsson and the Cabinet of Göran Persson from 1994 to 2003, and was Deputy Prime Minister of Sweden from 2002 to 2003. She was minister for agriculture, food and fisheries from 1994 to 1996, and again from 1998 to 2002, minister for employment from 1996 to 1998, and, in addition, held the position of minister for gender equality from 1998 to 2003.