Frederick County Courthouse is a historic county courthouse located at Winchester, Frederick County, Virginia. It was built in 1840, and is a two-story, rectangular, brick building on a stone foundation and partial basement in the Greek Revival style. It measures 50 feet by 90 feet, and features a pedimented Doric order portico and a gabled roof surmounted by a cupola. Also on the property is a contributing Confederate monument, dedicated in 1916, consisting of a bronze statue of a soldier on a stone base. The building houses the Old Court House Civil War Museum.