Washington Iron Furnace is an historic iron furnace, located in Rocky Mount, Franklin County, Virginia. The granite furnace was built around 1770, and measures 30 feet high on its south face. It helped establish industry in the county, and was listed on the National Register of Historic Places in 1973.

Rocky Mount is a town in and the county seat of Franklin County, Virginia, United States. The town is part of the Roanoke Metropolitan Statistical Area, and had a population of 4,903 as of the 2020 census. It is located in the Roanoke Region of Virginia.