Ravensworth is a census-designated place in Fairfax County, Virginia, United States. Its name reflects Ravensworth plantation, farmed since the 18th century and manor house which burned under mysterious circumstances on August 1, 1926. The Ravensworth Farm subdivision was developed in the early 1960s. The 2010 census lists the area's population as 2,466. It is part of the Washington metropolitan area.

Ravensworth is in eastern Fairfax County, bordered by the Capital Beltway to the northeast, Braddock Road to the north, Accotink Creek to the west, Lake Accotink to the south, and Flag Run to the southeast. Neighboring communities are Wakefield to the north, North Springfield to the east, and Kings Park to the south and west. Downtown Washington, D.C. is 14 miles (23 km) to the northeast. The CDP border follows Accotink Creek to the west, Braddock Road to the north, Interstate 495 to the east, and Flag Run to the southeast.

According to the U.S. Census Bureau, the Ravensworth CDP has a total area of 0.98 square miles (2.54 km), of which 0.88 square miles (2.29 km) is land and 0.10 square miles (0.26 km), or 10.02%, is water.

The corporate headquarters of Ensco is physically located in Ravensworth CDP, with a Springfield postal address.

Fairfax County Public Schools operates Ravensworth Elementary School in the CDP. It has a 7/10 rating on Great Schools.