List of state leaders in 1655

This is a list of heads of state, heads of governments, and other rulers in the year 1655.

Africa

• Kingdom of Dahomey – Houegbadja (1645–1685)
• Ethiopian Empire – Fasilides (1632–1667)

Asia

• Ayutthaya Kingdom (Siam) – Prasat Thong (1629–1656)
• 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 –
  • Emperor Go-Sai (1655–1663)
  • Tokugawa Ietsuna, Shōgun of Japan (1651–1680)
  • Ryukyu Kingdom – Shō Shitsu (1648–1668)
• Joseon (Korea) – Hyojong (1649–1659)
• Mughal Empire – Shah Jahan (1627–1658)

Europe

• Commonwealth of England – Oliver Cromwell, Lord Protector of England (1653–1658)
• Kingdom of France – Louis XIV (1643–1715)
• Holy Roman Empire – Ferdinand III (1637–1657)
  • Electorate of Bavaria – Ferdinand Maria (1651–1679)
  • Brandenburg-Prussia – Frederick William (1640–1688)
  • Republic of Genoa – Alessandro Spinola, Doge of Genoa (1654–1656)
  • Prince-Archbishopric of Magdeburg – Augustus, Duke of Saxe-Weissenfels, Lutheran Administrator of the Prince-Archbishopric of Magdeburg (1638–1680)
  • Duchy of Modena and Reggio – Francesco I (1629–1658)
  • Bishopric of Olomouc – Archduke Leopold William of Austria, Catholic Administrator of the Prince-Bishopric of Olomouc (1637–1662)
  • Duchy of Parma – Ranuccio II (1646–1694)
  • Prince-Bishopric of Passau – Archduke Leopold William of Austria, Catholic Administrator of the Prince-Bishopric of Passau (1625–1662)
  • Prince-Bishopric of Strasbourg – Archduke Leopold William of Austria, Catholic Administrator of the Prince-Bishopric of Strasbourg (1626–1662)
  • Prince-Bishopric of Trent – Carlo Emanuele Madruzzo (1629–1658)
  • Grand Duchy of Tuscany – Ferdinand II de' Medici (1621–1670)
  • Prince-Bishopric of Wrocław – Karol Ferdynand Vasa (1625–1655)
  • Electorate of Saxony – John George I1 (1611–1656)
  • Duchy of Savoy – Charles Emmanuel II (1638–1675)
• Knights of Malta – Giovanni Paolo Lascaris, Grand Master of the Knights Hospitaller (1636–1657)
• Moldavia – Gheorghe Ştefan, Voivode of Moldavia (1653–1658)
• Ottoman (Turkish) Empire – Mehmed IV, the Hunter, Ottoman Sultan (1648–1687)
• Papal States –
  1. Pope Innocent X (1644–1655)
  2. Pope Alexander VII (1655–1667)
• Polish–Lithuanian Commonwealth – Jan II Kazimierz Vasa (1648–1668)
• Kingdom of Portugal and the Algarves – John IV (1640–1656)
• Tsardom of Russia – Alexis I (1645–1676)
• San Marino –
  1. Carlo Tosini and Cristofaro Gianotti, Captains Regent of San Marino (1654–1655)
  2. Alessandro Belluzzi and Vincenzo Lorenzoni, Captains Regent of San Marino (1655)
  3. Carlo Loli and Gregorio Ceccoli, Captains Regent of San Marino (1655–1656)
• Kingdom of Sweden – Charles X Gustav (1654–1660)
• Kingdom of Spain – Philip IV (1621–1665)
• United Provinces
  • Estates of Friesland, Groningen, Guelders, Holland, Overijssel, Utrecht, Zeeland (1581–1795)
  • Grand Pensionary of Holland - Johan de Witt (1653–1672)
• Republic of Venice –
  1. Francesco Molin, Doge of Venice (1646–1655)
  2. Carlo Contarini, Doge of Venice (1655–1656)

Middle East

• Baban – Faqi Ahmad (1649–1670)
• Sultanate of Oman – Sultan I bin Saif (1649–1688)
• Mecca – Zeid bin Muhsin, Sharif of Mecca (1631–1666)
• Safavid Empire – Abbas II, Shah of Iran (1642–1666)