Rockland Furnace is a historic iron furnace located at Rockland Township, Venango County, Pennsylvania. It was built 1832, and is a stone structure approximately 25 feet tall. It has an 11 feet wide, 10 feet tall casting arch and 9 feet wide, 9 feet tall tuyere arch. Also on the property are the wheel pit and mill race.
It was listed on the National Register of Historic Places in 1991.