Cilento, Vallo di Diano and Alburni National Park (ItalianParco Nazionale del Cilento, Vallo di Diano e Alburni) is an Italian national park in the Province of Salerno, in Campania in southern Italy. It includes much of the Cilento, the Vallo di Diano and the Monti Alburni. It was founded in 1991, and was formerly known as the Parco Nazionale del Cilento e Vallo di Diano.
The national park's territory, one of the largest in Italy, does not include all the municipalities of the areas of Cilento and Vallo di Diano. It includes almost all the Cilentan Coast and its central forest area is Pruno. The administrative offices are located in Vallo della Lucania, at Piazza Santa Caterina nr. 8.