The Prussian Cultural Heritage Foundation is a German federal government body that oversees 27 museums and cultural organizations in and around Berlin, Germany. Its purview includes all of Berlin's State Museums, the Berlin State Library, the Prussian Privy State Archives and a variety of institutes and research centers. As such, it is one of the largest cultural organizations in the world, and also the largest cultural employer in Germany with around 2,000 staff as of 2020. More than four million people visited its museums in 2019.

The Berlin State Library is a universal library in Berlin, Germany and a property of the Prussian Cultural Heritage Foundation.