Thiessenhusen (November 17, 1864 – May 6, 1930) was an American businessman and politician. Born in Milwaukee, Wisconsin, Thiessenhusen attended the public schools in Milwaukee.
He was a contractor and carpenter.
From 1899 to 1906, Thiessenhusen served in the Wisconsin State Assembly as a Republican.
He died at his home in Milwaukee, Wisconsin from a heart ailment.