Herman Bjorn Dahle (March 30, 1855 – April 25, 1920) was a two-term United States Congressman from Wisconsin from 1899 to 1903.

[1] Herman Bjorn Dahle was born in the town of Perry, Dane County, Wisconsin.

He received his education in the district schools of his native town and in what is now the University of Wisconsin–Madison, where he graduated in 1877.

He resided at Mount Vernon, Wisconsin from 1877 to 1888 where he conducted a general mercantile business.

[2] His former home, now known as the Herman B. and Anne Marie Dahle House, is listed on the National Register of Historic Places.