House of Ponthieu
| House of Ponthieu Maison de Ponthieu | |
|---|---|
| Noble house | |
Attributed arms of the Counts of Ponthieu: Or, three bends azure, bordure gules | |
| Country | France |
| Founded | 10th century |
| Founder | Hugh I, Count of Ponthieu |
| Final ruler | Eleanor of Castile |
| Titles | Count of Ponthieu |
| Cadet branches | House of Aumale |
The House of Ponthieu was a Frankish noble dynasty that ruled the County of Ponthieu, a strategically important coastal territory in what is now the Somme, Hauts-de-France, from the late 10th century until its integration into the Crown of Castile–León in 1279 through dynastic marriage.