This is a list of the counts of Eu, a French county in the Middle Ages. (Eu is in the department of Seine-Maritime, in the extreme north of Normandy.)

House of Normandy

House of Lusignan

House of Brienne

Raoul IV was accused of treason in 1350, and the county was confiscated. The county was then given to John of Artois.

House of Artois

House of Bourchier

House of Burgundy-Nevers

House of Cleves

House of Guise

In 1660, he sold Eu to the duchesse de Montpensier.

House of Montpensier

She sold it in 1681 to the duc du Maine.

House of Bourbon

The title was used by the House of Bourbon du Maine till 1775 when that house became extinct. It then passed over to the cousins of the du Maines: The House of Bourbon-Penthièvre

House of Orléans