The Basil Papantoniou Foundation or BPF (Greek: Ίδρυμα Βασίλη Παπαντωνίου also known as ΙΒΠ) is a nonprofit cultural institution and museum based in Nafplion, Greece.

The aim of the BPF is the research, documentation, study, preservation and dissemination of modern Greek and global culture in general, in all of its forms and expressions.

[3] During the 70's and the 80's, the foundation made several researches over Greece, Cyprus and the Griko communities of Southern Italy, gathering data and documents about the traditional culture, music and dance and also about the preindustrial technology and the old fashioned children toys.

[5] Four years later, Melina Merkouri (then Culture minister of Greece) assigned to BPF the Hellenic National Costume Archives while in 1999 the foundation's facilities were renovated.

Peloponnesian Folklore Foundation also owns a photography, sound and film collection dedicated to its past researches, a library of 10,000 titles a publishing house.