Earl of Northampton
| Earldom of Northampton subsidiary title of the Marquessate of Northampton | |
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Coat of arms of Spencer Compton, Marquess and Earl of Northampton. | |
| Creation date |
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| Created by |
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| Peerage | Peerage of England |
| First holder | Waltheof, Earl of Northumbria |
| Present holder | Spencer Compton, 7th Marquess of Northampton and 16th Earl of Northampton |
| Heir apparent | Daniel Compton, Earl Compton |
| Status | Fifth creation extant |
| Extinction date |
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| Seat(s) | Castle Ashby House Compton Wynyates |
Earl of Northampton is a title in the Peerage of England that has been created five times.