Karl Fritjof Rolvaag was an American diplomat and politician who served as the 31st governor of Minnesota from March 25, 1963, to January 2, 1967, as a member of the Democratic-Farmer-Labor (DFL) Party. He was the son of the author and professor Ole E. Rølvaag.

Ole Edvart Rølvaag was a Norwegian-American novelist and professor who became well known for his writings regarding the Norwegian American immigrant experience. Ole Rolvaag is most frequently associated with Giants in the Earth, his award-winning, epic novel of Norwegian immigrant homesteaders in Dakota Territory.