Oare House is a Grade I listed house in Oare, Wiltshire, England.It was built in 1740 for a London wine merchant, Henry Deacon. It was largely remodelled in the early 1920s by the architect Clough Williams-Ellis, for Sir Geoffrey Fry, 1st Baronet, private secretary to Bonar Law and Stanley Baldwin. Its gardens, which include a summerhouse also designed by Williams-Ellis, are listed Grade II on the Register of Historic Parks and Gardens.