Fort Hunt is a census-designated place (CDP) in Fairfax County, Virginia, United States. The area is named after Fort Hunt, which was built on the bank of the Potomac River in 1897 to defend Washington, D.C. from naval attack and is now a public park. The area is also notable for its high population of senior citizens and for being one of the first suburbs in wealthy Fairfax County. The population was 17,231 at the 2020 census.

Fort Hunt Park is a public park located in Fort Hunt, Fairfax County, Virginia. It is administered by the National Park Service as part of the George Washington Memorial Parkway. The park preserves the remains of the eponymous Fort Hunt, portions of which date to the time of the Spanish–American War. The park was named after Brigadier General Henry Hunt, who served as chief of artillery of the Army of the Potomac during the Civil War. Remains of several of the fort's original batteries, including Battery Mount Vernon, Battery Robinson, and Battery Sater, and Battery Porter, have been preserved, and may still be visited today. The structures have been stabilized enough that visitors are able to climb on them without difficulty. Besides the batteries, the battery commander's station still stands; in addition, a flagpole has been erected as a memorial to the intelligence officers who served at the fort during World War II.