Annandale High School is a public high school in Annandale, Virginia, United States. It is part of the Fairfax County Public Schools system.

Annandale is a census-designated place (CDP) in Fairfax County, Virginia. The population of the CDP was 43,363 as of the 2020 United States Census. It is home to the oldest and largest branch of the Northern Virginia Community College system, and to one of the D.C. area's Koreatowns.