Henry Horst (October 15, 1836 – March 4, 1905) was an American farmer and politician.
Born in Germany, Horst emigrated with parents to the United States in 1846 and settled in Pittsburgh, Pennsylvania.
In 1850, Horst and his parents moved to the town of Charlestown, Calumet County, Wisconsin.
In 1876, Horst served in the Wisconsin State Assembly and was a Democrat.
This article about a Democratic Party member of the Wisconsin State Assembly is a stub.