Rut Birgitta Dahl (born 20 September 1937) is a Swedish former politician of the Social Democratic Party. Dahl was a Member of Parliament from 1969 to 2002. She served as Minister for Energy from 1982 to 1990, as Minister for the Environment from 1986 to 1991, and as Speaker of the Parliament from 1994 to 2002. She was the chairman of the Swedish section of the United Nations Children's Fund (UNICEF) between 2005 and 2011.