List of state leaders in 1657

This is a list of heads of state, heads of governments, and other rulers in the year 1657.

Africa

• Kingdom of Bamum – Ngouloure (1629–1672)
• Kingdom of Dahomey – Houegbadja (1645–1685)
• Ethiopian Empire – Fasilides (1632–1667)

Asia

• Ayutthaya Kingdom (Siam) – Narai (1656–1688)
• China
  • Qing dynasty – Shunzhi Emperor (1644–1661)
  • Southern Ming – Prince of Gui (1646–1662)
• Kingdom of Coorg - Muddu Raja I (1633-1687)
• Empire of Japan –
  • Monarch – Go-Sai (1655–1663)
  • Tokugawa shogunate – Tokugawa Ietsuna (1651–1680)
  • Ryukyu Kingdom – Shō Shitsu (1648–1668)
• Joseon (Korea) – Hyojong (1649–1659)
• Mughal Empire – Shah Jahan (1627–1658)

Europe

• Kingdom of Denmark–Norway – Frederick III (1648–1670)
• Commonwealth of England – Oliver Cromwell – Lord Protector (1653–1658)
• Kingdom of France – Louis XIV (1643–1715)
• Ottoman (Turkish) Empire
  • Sultan – Mehmed IV, the Hunter (1648–1687)
  • Grand Vizier – Köprülü Mehmed Pasha (1665–1661)
• Polish–Lithuanian Commonwealth – Jan II Kazimierz Vasa (1648–1668)
• Kingdom of Portugal and the Algarves –
  • Monarch – Afonso VI (1656–1683)
  • Regent – Luisa de Guzmán (1656–1662)
• Duchy of Savoy – Charles Emmanuel II (1638–1675)
• Kingdom of Sweden – Charles X Gustav (1654–1660)
• Grand Duchy of Tuscany – Ferdinando II de' Medici (1621–1670)
• Tsardom of Russia – Alexis I (1645–1676)
• United Provinces –
  • Estates of Friesland, Groningen, Guelders, Holland, Overijssel, Utrecht, Zeeland (1581–1795)
  • Grand Pensionary of Holland – Johan de Witt (1653–1672)