List of state leaders in 1804
1803 state leaders - Events of 1804 - 1805 state leaders - State leaders by year
Africa
- Ashanti Confederacy -
- Buganda - Semakokiro, King of Buganda (1771-1814)
- Bunyoro - Nyamutukura Kyebambe III, Omukama of Bunyoro (1786-1835)
- Burundi - Ntare IV Rugamba, King of Burundi (1796-1852)
- Dahomey - Adandozan, King of Dahomey (1797-1818)
- Ethiopia - Egwale Seyon Hezqeyas, Emperor of Ethiopia (1801-1818)
- Fulani Empire - Usman dan Fodio, Fulani Caliph (1804-1814)
- Ndzuwani - Alawi bin Husain, Sultan of Ndzuwani (1796-1816)
- Rwanda - Yuhi III, Mwami of Rwanda (1797-1830)
- Zulu - Senzangakona, King of the Zulu (1781-1816)
Asia
- Afghanistan -
- Kabul - Shoja Shah, King of Afghanistan (1803-1809)
- Kandahar -
- Shoja Shah, King of Afghanistan (1803-1809)
- Kandahar secedes from Kabul control
- Kamran Shah, King of Kandahar (1804-1805)
- China (Qing Dynasty) - Jiaqing, Emperor of China (1796-1820)
- Japan
- Monarch - Kokaku, Emperor of Japan (1780-1817)
- Shogun (Tokugawa) - Tokugawa Ienari, Shogun of Japan (1786-1837)
- Ryūkyū Kingdom
- Kokand - 'Alim Khan, Khan of Kokand (1800-1809)
- Korea (Joseon Dynasty) - Sunjo, King of Joseon (1800-1834)
Europe
- Abkhazia - Kelesh Begi, Prince of Abkhazia (1747-1806)
- Andorra - Francesc Antoni de la Dueña y Cisneros, Bishop of Urgell (1797-1816)
- Batavian Republic - Staatsbewind of the Batavian Republic (1801-1805)
- Denmark
- Monarch - Christian VII, King of Denmark (1766-1808)
- Prime Minister - Christian Gunther, Minister of State of Denmark (1797-1810)
- Etruria - Charles Louis, King of Etruria (1803-1807)
- France -
- Consulate - Napoleon Bonaparte, First Consul (1799-1804)
- First Empire - Napoleon I, Emperor of the French (1804-1814)
- Holy Roman Empire - Franz II, Holy Roman Emperor (1792-1806)
- Portugal - Maria I Francisca, Queen of Portugal (1777-1816)
- Prussia - Frederick William III, King of Prussia (1797-1840)
- Russia - Alexander I, Tsar of Russia (1801-1825)
- Spain - Charles IV, King of Spain (1788-1808)
- Sweden - Gustav IV Adolf, King of Sweden (1792-1809)
- United Kingdom
- Monarch - George III, King of the United Kingdom (1760-1820)
- Prime Minister -
Middle East and North Africa
- Abu Dhabi - Shakhbut bin Dhiyab, Shaikh of Abu Dhabi (1793-1816)
- Morocco - Slimane, Sultan of Morocco (1792-1822)
- Ottoman Empire
- Monarch - Selim III, Sultan of the Ottoman Empire (1789-1807)
- Grand Vizier - Yusuf Ziyaüddin Pasha, Ottoman Grand Vizier (1798-1805)
- Persia - Fath Ali Shah, Shah of Persia (1797-1834)