Charles II may refer to:

• Charles the Bald (823 – 877), king of the West Franks and Holy Roman Emperor
• Charles II of Naples (1248 – 1309)
• Charles II of Alençon (1297 – 1346)
• Charles II of Navarre (1332 – 1387)
• Charles II, Duke of Lorraine (1390 – 1431)
• Charles II, Duke of Bourbon (1434 – 1488)
• Charles II, Duke of Savoy (1489 – 1496)
• Charles II, Archduke of Inner Austria (1540 – 1590)
• Charles II of England, Scotland and Ireland (1630 – 1685)
• Charles II, Elector Palatine (1651-1685)
• Charles II of Spain (1661 – 1700)
• Charles VI, Holy Roman Emperor, also known as Charles II of Bohemia, (1685 – 1740)
• Charles de Secondat, baron de Montesquieu (1689 – 1755), French political philosopher of the Enlightenment era
• Charles II, Grand Duke of Mecklenburg-Strelitz (1741 – 1816)
• Landgrave Charles of Hesse-Kassel (1744-1836)
• Charles II, Duke of Parma (1799-1883)
• Carol II of Romania (1893 – 1953)

This disambiguation page lists articles associated with the same personal name. If an article link led you here, you may wish to change the link to point directly to the intended article.