Cilento, Vallo di Diano and Alburni National Park (Italian Parco Nazionale del Cilento, Vallo di Diano e Alburni) is an Italian national park in the Province of Salerno, in Campania in southern Italy.

The park was officially instituted on December 6, 1991, to protect the territory of Cilento from building speculation and mass tourism.

Originally named Parco Nazionale del Cilento e Vallo di Diano, in 1998 it became a World Heritage Site of UNESCO,[1] also with the ancient Greek towns of Paestum, Velia and the Padula[2] Charterhouse.

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.

The administrative offices are located in Vallo della Lucania, at Piazza Santa Caterina nr.