Dorothy Townshend (Walpole), was an English aristocrat, born on 18 September 1686 at Houghton Hall. She was the thirteenth child born to Robert Walpole and Mary Burwell. Sometime before 25 July 1713, she married Charles Townshend, 2nd Viscount Townshend and became his second wife. She died under mysterious circumstances or possibly of smallpox on 29 March 1726.