The Château de l'Alba is a 15th-century castle, remodelled as a château in the 18th century, located in the commune of L'Albenc in the Isère département of France.

The château is closed to the public. It was partially listed as a monument historique in 1978.

• List of castles in France

• Base Mérimée: Château de l'Alba, Ministère français de la Culture. (in French)

45°13′36.5″N 5°26′32″E / 45.226806°N 5.44222°E / 45.226806; 5.44222