Aénor of Châtellerault (also known as Aénor de Rochefoucauld) duchess of Aquitaine (Châtellerault, Vienne, France, c. 1103, – March 1130 in Talmont) was the mother of Eleanor of Aquitaine, arguably the most powerful woman in Europe of her generation.

Aenor was a daughter of Viscount Aimery I of Châtellerault and his wife, Dangereuse de L' Isle Bouchard (d. 1151). Aenor married William X of Aquitaine, the son of her mother's lover, and had three children with him:

• Eleanor of Aquitaine, Duchess of Aquitaine, and wife of both Louis VII of France, and Henry II of England.
• Petronilla of Aquitaine, wife of Raoul I, Count of Vermandois.
• William Aigret (who died at the age of four with his mother at Talmont-sur-Gironde)

The county "Châtellerault" later became a title belonging to the Dukes of Hamilton.