Marit Nybakk (born 14 February 1947, in Nord-Odal) is a Norwegian politician for the Labour Party, a former First Vice-President of the Norwegian Parliament, the Storting, and a former President of the Nordic Council.
From 2016 to 2018 she was President of the Norwegian Association for Women's Rights, the preeminent women's and girls' rights organisation in Norway.A pragmatic social democrat and a proponent of the Third Way, she became a Member of Parliament in 1986 as the substitute for Gro Harlem Brundtland when the latter became Prime Minister.
In 2009 she became the Storting's Third Vice President, before becoming First Vice President in 2013.
She did not stand for reelection in 2017; at that point she was both Norway's longest-serving incumbent member of parliament and the longest-serving woman of all times.
Nybakk served as President of the Nordic Council for the term 2013.
Nybakk has been one of the Labour Party's principal politicians in foreign and defence affairs since the 1990s and has been her party's spokesperson on defence.
She was Chairman of the Standing Committee on Defence between 2001 and 2005 and Vice Chairman of the Standing Committee on Foreign Affairs between 2005 and 2009.
She is a former leader of the Socialist Group in the NATO Parliamentary Assembly.