Duke of Marlborough is a title in the Peerage of England. It was created by Queen Anne in 1702 for John Churchill, 1st Earl of Marlborough (1650–1722), the noted military leader. In historical texts, unqualified use of the title typically refers to the 1st Duke. The name of the dukedom refers to Marlborough in Wiltshire.
Burial place of most Dukes and Duchesses of Marlborough in the chapel at Blenheim Palace.