Fabbrica Curone (Piedmontese: Frògna) is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located in the upper valley of the Curone stream, about southeast of Turin and about southeast of Alessandria.
Fabbrica Curone borders the following municipalities: Albera Ligure, Cabella Ligure, Gremiasco, Montacuto, Santa Margherita di Staffora, Varzi, and Zerba.
A possession of the Abbey of San Colombano of Bobbio, it received a castle and was under the bishops of Tortona after 1157. Later it was an imperial fief under the Malaspina, who held it until 1797.
The other frazione of Caldirola, elevation is a ski resort.