Swan Pond, also known as "Folkland" and the Dr. Edward O. Williams House, is a historic home located near Martinsburg, Berkeley County, West Virginia. It was built after 1810, and has a 2 1/2 story, five bay wide, brick main section with a brick wing. The house is in a transitional Georgian / Federal-style. Also on the property is a 19th-century log outbuilding.It was listed on the National Register of Historic Places in 1977. It is located in the Swan Pond Manor Historic District.
