Aslaug Blytt (24 April 1899, Bergen – 22 April 1966) was a Norwegian art historian and museum manager, and politician. She worked as a teacher in secondary school, later at the National Gallery of Norway in Oslo, and was then manager of the Bergen art galleries Rasmus Meyers Samlinger and Bergen Billedgalleri. She is particularly known for her book about the painter Lars Hertervig. During the German occupation of Norway she spent about one year incarcerated at the Grini concentration camp. She was also a politician for the Norwegian Labour Party.