List of state leaders in 1655
1654 state leaders - Events of 1655 - 1656 state leaders - State leaders by year
Africa
Asia
Europe
- Commonwealth of England - Oliver Cromwell, Lord Protector of England (1653–1658)
- France - Louis XIV, King of France (1643–1715)
- Holy Roman Empire - Ferdinand III, Holy Roman Emperor (1637–1657)
- Bavaria - Ferdinand Maria, Elector of Bavaria (1651–1679)
- Brandenburg-Prussia - Frederick William, Elector of Brandenburg (1640–1688)
- Genoa, Republic - Alessandro Spinola, Doge of Genoa (1654–1656)
- Magdeburg, Prince-Archbishopric - Augustus, Duke of Saxe-Weissenfels, Lutheran Administrator of the Prince-Archbishopric of Magdeburg (1638–1680)
- Modena and Reggio - Francesco I, Duke of Modena and Reggio (1629–1658)
- Olomouc, Prince-Bishopric - Archduke Leopold William of Austria, Catholic Administrator of the Prince-Bishopric of Olomouc (1637–1662)
- Parma - Ranuccio II, Duke of Parma (1646–1694)
- Passau, Prince-Bishopric - Archduke Leopold William of Austria, Catholic Administrator of the Prince-Bishopric of Passau (1625–1662)
- Strasbourg, Prince-Bishopric - Archduke Leopold William of Austria, Catholic Administrator of the Prince-Bishopric of Strasbourg (1626–1662)
- Trent - Carlo Emanuele Madruzzo, Prince-Bishop of Trent (1629–1658)
- Tuscany - Ferdinand II de' Medici, Grand Duke of Tuscany (1621–1670)
- Wrocław, Prince-Bishopric - Charles Ferdinand Vasa, Prince-Bishop of Wrocław (1625–1655)
- Saxony - John George I1, Elector of Saxony (1611–1656)
- Savoy - Charles Emmanuel II, Duke of Savoy (1638–1675)
- Knights of Malta - Juan de Lascaris-Castellar, Grand Master of the Knights Hospitaller (1636–1657)
- Moldavia - Gheorghe Ştefan, Voivode of Moldavia (1653–1658)
- Ottoman ( Turkish ) Empire - Mehmet IV, the Hunter, Ottoman Sultan (1648–1687)
- Papal States -
- Innocent X, Pope (1644–1655)
- Alexander VII, Pope (1655–1667)
- Polish-Lithuanian Commonwealth - Jan II Kazimierz Vasa, King of Poland (1648–1668)
- Portugal - John IV, King of Portugal (1640–1656)
- Russia - Alexis I, Tsar of Russia (1645–1676)
- San Marino -
- Carlo Tosini and Cristofaro Gianotti, Captains Regent of San Marino (1654–1655)
- Alessandro Belluzzi and Vincenzo Lorenzoni, Captains Regent of San Marino (1655)
- Carlo Loli and Gregorio Ceccoli, Captains Regent of San Marino (1655–1656)
- Sweden - Charles X Gustav, King of Sweden (1654–1660)
- Spain - Philip IV, King of Spain (1621–1665)
- United Provinces
- Venice -
- Francesco Molin, Doge of Venice (1646–1655)
- Carlo Contarini, Doge of Venice (1655–1656)
Middle East