Duke of Cumberland and Teviotdale

Dukedom of Cumberland and Teviotdale
Creation date	24 April 1799
Created by	King George III
Peerage	Peerage of Great Britain
First holder	Prince Ernest Augustus
Last holder	Ernest Augustus, Crown Prince of Hanover
Remainder to	the 1st Duke's heirs male of the body lawfully begotten
Subsidiary titles	Earl of Armagh
Status	Suspended on 28 March 1919 under the Titles Deprivation Act 1917

Duke of Cumberland and Teviotdale was a title in the Peerage of Great Britain that was held by junior members of the British royal family. It was named after the county of Cumberland in England, and after Teviotdale in Scotland. Held by the Hanoverian royals, it was suspended under the Titles Deprivation Act 1917, which revoked titles belonging to enemies of the United Kingdom during the Great War.