Herman J. F. Bilgrien (March 19, 1864 - February 1, 1946) was a member of the Wisconsin State Senate.
Bilgrien was born on March 19, 1864, in Dodge County, Wisconsin. He would become involved in agriculture. He died at his home in Iron Ridge, Wisconsin on February 1, 1946.
Bilgrien was a member of the Senate from 1919 to 1926. Additionally, he was Chairman and Treasurer of Iron Ridge. He was a Republican.