|Location||County Route 5/3, near Martinsburg, West Virginia|
|Area||4 acres (1.6 ha)|
|Architectural style||Georgian, Federal|
|NRHP reference No.||77001372 |
|Added to NRHP||July 29, 1977|
Swan Pond, also known as "Folkland" and the Dr. Edward O. Williams House, is a historic home located near Martinsburg, Berkeley County, West Virginia, United States. 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.
- "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
- James E. Harding (November 1976). "National Register of Historic Places Inventory Nomination Form: Swan Pond" (PDF). State of West Virginia, West Virginia Division of Culture and History, Historic Preservation. Retrieved 2011-06-02.