List of state leaders in 1648

1647 state leaders - Events of 1648 - 1649 state leaders - State leaders by year

Africa

• Dahomey - Houegbadja, King of Dahomey (1645–1685)
• Ethiopia - Fasilides, Emperor of Ethiopia (1632–1667)
• Harar - `Ali ibn Da`ud, Emir of Harar (1647–1671)

Asia

• China
  • Qing Dynasty - Shunzhi, Emperor of China (1644–1661)
  • Southern Ming -
    • Prince of Lu, Emperor of Southern Ming (1645–1653)
    • Prince of Gui, Emperor of Southern Ming (1646–1662)
• Japan -
  • Monarch - Go-Komyo, Emperor of Japan (1643–1654)
  • Shogun (Tokugawa) - Tokugawa Iemitsu, Shogun of Japan (1623–1651)
  • Ryūkyū Kingdom - Shō Shitsu, King of Ryūkyū (1648–1668)
• Korea (Joseon Dynasty) - Injo, King of Joseon (1623–1649)

Europe

• Denmark-Norway -
  1. Christian IV (1588–1648)
  2. Frederick III, King of Denmark and Norway (1648–1670)
  • Duchy of Schleswig -
    1. Christian IV (1588–1648) and Frederick III (1616–1659) in condominial rule
    2. Frederick III (Denmark) (1648–1670) and Frederick III (Gottorp) (1616–1659) in condominial rule
•  Dutch Republic
  • Estates of Friesland, Groningen, Guelders, Holland, Overijssel, Utrecht, Zeeland (1581–1795)
  • Stadtholder - William II, Prince of Orange, Stadtholder of Guelders, Holland, Overijssel, Utrecht, Zeeland (1647–1650)
    • Holland - Grand Pensionary Jacob Cats (1629–1631, 1636–1651)
•  England - Charles I, King of England, Scotland and Ireland (1625–1649)
•  France - Louis XIV, King of France (1643–1715)
•  Holy Roman Empire - Ferdinand III, Holy Roman Emperor
  • Bremen, Duchy - Christina of Sweden (House of Vasa), Duchess regnant of Bremen (1648–1654)
  • Principality of Brunswick and Lunenburg, Wolfenbüttel line - Augustus, Duke of Brunswick-Wolfenbüttel (1635–1666)
  • Holstein, Duchy -
    1. Christian IV (1588–1648) and Frederick III (1616–1659) in condominial rule
    2. Frederick III (Denmark) (1648–1670) and Frederick III (Gottorp) (1616–1659) in condominial rule
  • Verden, Principality - Christina of Sweden (House of Vasa), Princess regnant of Verden (1648–1654)
•  Ottoman Empire
  1. İbrahim, Ottoman Sultan (1640–1648)
  2. Mehmet IV, the Hunter, Ottoman Sultan (1648–1687)
• Polish-Lithuanian Commonwealth - Jan II Kazimierz Vasa, King of Poland (1648–1668)
• Portugal - John IV, King of Portugal
• Russia - Alexis I
• Savoy - Charles Emmanuel II, Duke of Savoy (1638–1675)
• Spain - Philip IV, King of Spain
• Sweden - Christina, Queen of Sweden