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. 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 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 other natural reserves instituted in the area of the park are the "Natural reserve of Foce Sele-Tanagro" (created in 1993,^[3] with the Oasis of Persano) and the "Maritime reserve of Punta Licosa", in the municipality of Castellabate.

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.

The municipalities part^{[clarification needed]} of the park are:

• Lentiscella beach in Marina di Camerota
• Roscigno
• An ancient olive tree

• Cilentan Coast
• Castelcivita Caves
• Pertosa Caves
• Foce del Sele
• List of National Parks of Italy