Charles III

Charles III may refer to:


 * Charles the Fat, Charles III of East Francia, (832–888)
 * Charles the Simple, Charles III of West Francia, (879–929)
 * Charles of Valois, duke Charles III of Anjou 1290–1325
 * Charles III of Alençon (1337–1375)
 * Charles III of Naples (died 1386)
 * Charles III of Navarre, "the Noble" (1361–1425)
 * Charles III, Duke of Bourbon (1490–1527)
 * Charles III, Duke of Savoy, "the Good" (1486–1553)
 * Charles III, Duke of Lorraine (1543–1608)
 * Charles VI, Holy Roman Emperor, also Charles III of Hungary and pretender to the throne of Spain as Charles III (1685–1740)
 * Karl III Philip, Elector Palatine (1661–1742)
 * Charles Edward Stuart (1720–1788), also known as Bonnie Prince Charlie and the Young Pretender, styled himself "Charles III, King of England and Scotland"
 * Charles III of Spain (1716–1788)
 * Charles III John of Norway or Charles XIV John of Sweden (1765–1844)
 * Charles III, Duke of Parma (1823–1854)
 * Charles III, Prince of Monaco (1818–1889)
 * Charles I of Austria, also known as Charles III, King of Bohemia, (1887–1922)
 * Possible future regnal name of Charles, Prince of Wales, if he inherits the thrones of the United Kingdom and the other Commonwealth realms
 * King Charles III (play), 2014 play by Mike Bartlett on the accession of Charles, Prince of Wales
 * Charles the 3rd is a boss character from the video game Viewtiful Joe