Johann Karl, Count Chotek of Chotkow and Wognin (German: Johann Karl Ritter Graf Chotek von Chotkow und Wognin; 29 October 1704 – 8 November 1787) was a Bohemian-Austrian chancellor.
Johann Karl was born at Prague, Kingdom of Bohemia as the elder son of Count Wenzel Chotek of Chotkow and Wognin (1674–1754) and Maria Theresa Scheidler of Scheidlen (1684–1709).
Then he was a Bohemian-Austrian Imperial Director and chancellor In 1753, Empress Maria Theresa gave him the Palais Strozzi in the Josefstadt (Vienna), he ordered the building of a new wing.
Further expansion plans and the Seven Years' War, however, forced him to sell large part of the garden.
Johan Karl married on 25 May 1740 in Vienna to Countess Anna Maria Kottulinsky of Kottulin and Krzizkowitz (1711–1798), youngest child of Count Franz Carl Kottulinsky of Kottulin and Krizkowitz, and his wife, Countess Maria Antonia of Rottal.