In the 9th edition of the Encyclopædia Britannica, Charles may refer to:

• Charles, count of Anjou and Provence, king of Naples;
• Charles, or Charles Louis, archduke of Austria;
• Charles, the Bold, duke of Burgundy;
• Charles of Hohenzollern, king of Roumania;
• Charles, duke of Guise;
• Charles, duke of Orleans;
• Charles I., the Great, or Charlemagne, emperor;
• Charles I., king of England;
• Charles I., the Bald, king of France (Emperor Charles II.);
• Charles I., duke of Savoy;
• Charles II., king of England;
• Charles II., the Fat, king of France (Emperor Charles III.);
• Charles II., king of Spain;
• Charles II., the Bad, king of Navarre;
• Charles II., duke of Savoy;
• Charles III., the Simple, king of France;
• Charles III., king of Spain;
• Charles III., king of Navarre;
• Charles III., duke of Savoy;
• Charles IV., the Fair, king of France;
• Charles IV., emperor;
• Charles IV., king of Spain;
• Charles IV., king of Navarre;
• Charles V., the Wise, king of France;
• Charles V., emperor (Charles I. of Spain);
• Charles VI., king of France;
• Charles VI., emperor;
• Charles VII., king of France;
• Charles VII., emperor;
• Charles VIII., king of France;
• Charles VIII., king of Sweden;
• Charles IX., king of France;
• Charles IX., king of Sweden;
• Charles X., king of France;
• Charles XI., king of Sweden;
• Charles XII., king of Sweden;
• Charles XIII., king of Sweden;
• Charles XIV., king of Sweden;
• Charles XV., king of Sweden;
• Charles, Jacques A. C., French aeronaut;
• Charles, Thomas, Welsh Methodist preacher;
• Charles Albert, king of Sardinia;
• Charles Augustus, grand-duke of Saxe-Weimar;
• Charles Edward Stuart, prince;
• Charles Emmanuel I., duke of Savoy;
• Charles Emmanuel II., duke of Savoy;
• Charles Emmanuel III., duke of Savoy;
• Charles Emmanuel IV., duke of Savoy;
• Charles et Georges, Affair of, Portugal;
• Charles Gustavus X., king of Sweden;
• Charles Island, Galapagos, Pacific;
• Charles Louis Mountains, New Guinea;
• Charles Martel, mayor of the palace, France; or
• Charles O'Malley, Lever's novel;

as well as to many other figures who bear the given name Charles.