Guilford is a historic plantation house and a farm located near White Post, Clarke County, Virginia. It was built between 1812 and 1820, and is a two-story, nearly square, brick dwelling with a hipped roof in the Greek Revival style. The front facade features a full-height, three-bay, pedimented portico with monumental Greek Ionic order columns. Also on the property is a contributing brick slave's quarters.
It was listed on the National Register of Historic Places in 1993.