Jeanette Martine Olsen (22 October 1873 – 23 September 1959) was a Norwegian editor and politician for the Labour and Communist parties. She was born in Kristiania. Her first political position was as leader of the local women's branch in Skien Labour Party from 1907 to 1912. From 1911 to 1913 she was a national board member of the Labour Party women's association. She was also a board member of the county branch in Bratsberg. In 1913 she was hired as manager of the newspaper Haugesunds Folkeblad, and she became editor-in-chief in the same year.