Duffield is a town in Scott County, Virginia, United States.

[5] According to the United States Census Bureau, the town has a total area of 0.6 square miles (1.6 km2), all land.

Located between Duffield and Pattonsville, on U.S. Route 421, is the gravesite of Ross Carter, a paratrooper from World War II, who wrote Those Devils in Baggy Pants, a story about the 82nd Airborne during World War II.

The town is situated at the southern edge of the Jefferson National Forest and approximately two miles west of Natural Tunnel State Park.

Natural Tunnel, called the "Eighth Wonder of the World" by William Jennings Bryan, has been attracting sightseers for more than 100 years.