The Alliance Furnace, also known as Jacob's Creek Furnace and the Alliance Iron Works, is an historic iron furnace, which is located in Perry Township, Fayette County, Pennsylvania.

It was added to the National Register of Historic Places in 1991.

[1] Built in 1789, the Alliance Furnace is a stone structure measuring twenty-five feet square by fifteen feet high.

Also located on the same property is a charcoal house which measures 40 by 25 by 20 feet (12.2 by 7.6 by 6.1 m).

[3] The Alliance Furnace was added to the National Register of Historic Places in 1991.