Annemarie Røstvik Lorentzen (23 September 1921 – 30 June 2008) was a Norwegian politician for the Labour Party.

Lorentzen played a major role in the post-World War II reconstruction of Hammerfest after it was razed by the fleeing Nazi occupiers.

She was elected to the Norwegian Parliament from Finnmark in 1969, and was re-elected on one occasion.

She was born in Sør-Varanger Municipality, but worked in Hammerfest as a teacher from 1947 to 1969.

After her time as government minister, she was appointed Norwegian ambassador to Iceland.