Louis Augustus Lange (1854 – December 24, 1917) was a member of the Wisconsin State Assembly.
Lange was born in Chicago, Illinois in 1854,[1] the son of August A. Lange and Catharine Trumbauer Lange.[2][3] He moved with his parents to Fond du Lac, Wisconsin in 1856. After the death of his first wife, Jennie S. Vaughn (1856–1899), he married Rose LaBlanc in 1903.[3][4] Following his legislative career, he worked as the editor of the Daily Reporter.[4][5] Lange died in Los Angeles on December 24, 1917.[5]
Lange was a member of the Assembly from 1893 to 1900. He was a Democrat.[6]