| 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.