Westbury Court Garden is a Dutch water garden in Westbury-on-Severn, Gloucestershire, England, 9 miles (14 km) southwest of Gloucester. It is a rare survival of seventeenth century garden design and was initially laid out by the owner of Westbury Court, Maynard Colchester I, in 1696–1705. The garden has been under the guardianship of the National Trust since 1967.