Heinrich Carl von Schimmelmann (13 July 1724 – 16 February 1782) was a German merchant, forgerer and banker during the Seven Years' War, speculating heavily on currency debasement in close association with his business partner Abel Seyler. After supporting the Danish king as the head of the Danish bank, he was rewarded, became a nobleman, plantation owner and finance minister. From 1774 he was involved in the project of digging the Eider Canal.