List of state leaders in 1621

1620 state leaders - Events of 1621 - 1622 state leaders - State leaders by year-----

Africa

*Dahomey - Dakodonou, King of Dahomey (1620-1645)
*Ethiopia - Susenyos, Emperor of Ethiopia (1606-1632)

Asia

*China (Ming Dynasty) - Tianqi, Emperor of China (1620-1627)
* Japan
**Monarch - Go-Mizunoo, Emperor of Japan (1611-1629)
**Shogun (Tokugawa) - Tokugawa Hidetada, Shogun of Japan (1605-1623)
**Ryūkyū Kingdom - Shō Hō, King of Ryūkyū (1621-1640)
*Korea (Joseon Dynasty) - Gwanghaegun, King of Joseon (1608-1623)
*Later Jin (Manchu Empire) - Nurhaci, Emperor of Later Jin (1616-1626)
*Mughal Empire - Jahangir, Mughal Emperor (1605-1627)

Europe

*Denmark–Norway - Christian IV, King of Denmark (1588-1648)
*England - James I, King of England (1603-1625)
*France - Louis XIII, King of France (1610-1643)
*Holy Roman Empire - Ferdinand II, Holy Roman Emperor (1619-1637)
*Papal States -
**Paul V, Pope (1605-1621)
**Gregory XV, Pope (1621-1623)
*Polish-Lithuanian Commonwealth - Sigismund III Vasa, King of Poland (1587-1632)
*Russia - Michael I, Tsar of Russia (1613-1645)
*Spain -
*#Philip III, King of Spain (1598-1621)
*#Philip IV, King of Spain (1621-1665)
*Sweden - Gustavus Adolphus, King of Sweden (1611-1632)
* United Provinces
**Estates of Friesland, Groningen, Guelders, Holland, Overijssel, Utrecht, Zeeland (1581-1795)
** Stadtholder - Maurice of Nassau, Prince of Orange, Stadtholder of Gelre, Holland, Utrecht and Zeeland (1585 - 1625)
***Holland - Grand Pensionary -
***#Andries de Witt (1619-1621)
***#Anthonie Duyck (1621-1629)

Middle East and North Africa

* Ottoman Empire - Osman II, Sultan of the Ottoman Empire (1618-1622)
*Safavid Empire - Abbas I Shah of Iran (1587-1629)