List of state leaders in 1657

1656 state leaders - Events of 1657 - 1658 state leaders - State leaders by year

Africa

• Bamun - Ngouloure, Sultan of Bamun (1629–1672)
• Dahomey - Houegbadja, King of Dahomey (1645–1685)
• Ethiopia - Fasilides, Emperor of Ethiopia (1632–1667)

Asia

• China
  • Qing Dynasty - Shunzhi, Emperor of China (1644–1661)
  • Southern Ming - Prince of Gui, Emperor of Southern Ming (1646–1662)
• Japan -
  • Monarch - Go-Sai, Emperor of Japan (1655–1663)
  • Shogun (Tokugawa) - Tokugawa Ietsuna, Shogun of Japan (1651–1680)
  • Ryūkyū Kingdom - Shō Shitsu, King of Ryūkyū (1648–1668)
• Korea (Joseon Dynasty) - Hyojong, King of Joseon (1649–1659)
• Mughal Empire - Shah Jahan, Mughal Emeror (1627–1658)

Europe

• Denmark-Norway - Frederick III, King of Denmark and King of Norway(1648–1670)
• England - Oliver Cromwell - Lord Protector (1653–1658)
• France - Louis XIV, King of France (1643–1715)
• Ottoman ( Turkish ) Empire
  • Sultan- Mehmet IV, the Hunter, Ottoman Sultan (1648–1687)
  • Grand vizier - Köprülü Mehmet Pasha (1565–1561)
• Polish-Lithuanian Commonwealth - Jan II Kazimierz Vasa, King of Poland (1648–1668)
• Savoy - Charles Emmanuel II, Duke of Savoy (1638–1675)
• Sweden - Charles X Gustav, King of Sweden (1654–1660)
• Tuscany - Ferdinando II de' Medici, Grand Duke of Tuscany (1621–1670)
• United Provinces
  • Estates of Friesland, Groningen, Guelders, Holland, Overijssel, Utrecht, Zeeland (1581–1795)
  • Grand Pensionary of Holland - Johan de Witt (1653–1672)