| Countess of Devon | |
|---|---|
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| Style | The Right Honourable |
| Member of | Peerage of England |
| Seat | Powderham Castle |
| Term length | As long as married to the Earl of Devon |
| Formation | 1141 (first creation) 1553 (fifth and present creation) |
| First holder | Adelize de Baalun |
Countess of Devon is a title that may be held by a woman in her own right or used by the wife of the Earl of Devon. Women who have held the title include: