The Stone House, Manassas National Battlefield Park, is a two-story stone structure in Prince William County, Virginia. It was built as a stop on the Fauquier and Alexandria Turnpike in 1848. During the American Civil War, The Stone House served as a hospital during the First and Second Battles of Manassas. Today the Stone House is owned by the National Park Service as a contributing property to the Manassas National Battlefield Park, which is listed on the National Register of Historic Places.