Henry Danforth Barron (April 10, 1833 – January 22, 1882) was a United States politician in Wisconsin. Born in Wilton, New York, he came west to Wisconsin. He first served as a judge in the Wisconsin Circuit Court. Then he served in the Wisconsin State Assembly and was speaker. Later, he would be a Presidential Elector in the 1868 and 1872 presidential elections, and a member of the Wisconsin State Senate from 1874 to 1876.
Barron lived in St. Croix County, Wisconsin. Barron County, Wisconsin is named after him.