The Warburg family is a prominent German and American banking family of German Jewish and originally Venetian Jewish descent, noted for their varied accomplishments in biochemistry, botany, political activism, economics, investment banking, law, physics, classical music, art history, pharmacology, physiology, finance, private equity and philanthropy.

M. M. Warburg & CO KGaA is a German private bank, based in Hamburg. A family-owned bank, it was founded in 1798 by brothers Moses Marcus Warburg and Gerson Warburg, two members of the Warburg family. The bank was Aryanized under the Nazis. The Warburg family still owns the bank, continuing a more than 200-year legacy of private ownership.