List of state leaders in 1604

See also
List of state leaders in 1603 Events of 1604 List of state leaders in 1605 State leaders by year List of colonial governors in 1604

This is a list of heads of state, government leaders, and other rulers in the year 1604.

Africa

Bosha – Magela, ruled 1600–1630
Ethiopian Empire –
1. Za Dengel (1603–1604)
2. Yaqob (1597–1603 and 1604–1606)
Sultanate of Sennar – Abd al-Qadir II (1603/4 - 1606)

Sultanate of Brunei – Shah Berunai (1600–1605)
Chakhar – Ligdan Khan (1603–1634)
China (Ming dynasty) - Wanli Emperor (1573–1620)
Đại Việt – Lê Kính Tông (1600–1619)
- Đàng Ngoài – Trịnh Tùng, Trịnh lord (1570–1623)
- Đàng Trong – Nguyễn Hoàng, Nguyễn lord (1558–1613)
Japan (Sengoku period)
- Monarch – Emperor Go-Yōzei (1586–1611)
- Shogun (Tokugawa) - Tokugawa Ieyasu (1603–1605)
Joseon (Korea) – Seonjo (1567–1608)
Mughal Empire – Akbar (1556–1605)
Ryukyu Kingdom – Shō Nei (1587–1620)

Kingdom of Denmark – Christian IV (1588–1648)
Kingdom of England – James I (1603–1625)
Kingdom of France – Henry IV (1589–1610)
Holy Roman Empire – Rudolf II (1576–1612)
- Prince-Archbishopric of Bremen – John Frederick, Duke of Schleswig-Holstein-Gottorp (1596–1634)
- Bishopric of Lübeck – John Adolf, Duke of Holstein-Gottorp (1586–1607)
Moldavia – Ieremia Movilă, Voivode of Moldavia (August 1595 - May 1600 and September 1600–1606)
Ottoman (Turkish) Empire – Ahmed I, Ottoman Sultan (1603–1617)
Papal States – Pope Clement VIII (1592–1605)
Polish–Lithuanian Commonwealth – Sigismund III Vasa (1587–1632)
Russia - Boris Godunov, Tsar of Russia (1598–1605)
Kingdom of Scotland – James VI (1567–1625)
Kingdom of Spain – Philip III (1598–1621)
Kingdom of Sweden – Charles IX (1599–1611)
United Provinces
- Estates of Friesland, Groningen, Guelders, Holland, Overijssel, Utrecht, Zeeland (1581–1795)
- Stadtholder - Maurice of Nassau, Prince of Orange, Stadtholder of Gelre, Holland, Overijssel, Utrecht and Zeeland (1585–1625)
- Grand Pensionary of Holland - Johan van Oldenbarnevelt (1586–1619)
Republic of Venice – Marino Grimani, Doge of Venice (1595–1606)