Downton is a village and civil parish on the River Avon in southern Wiltshire, England, about 6 miles southeast of the city of Salisbury. The parish is on the county boundary with Hampshire and is close to the New Forest; it includes the villages of Wick and Charlton-All-Saints, and the small ancient settlement of Witherington. The Trafalgar Park estate erased the former settlement of Standlynch. The parish church, Trafalgar House, and two more houses are Grade I listed.