List of state leaders in 1803

This is a list of heads of state, heads of governments, and other rulers in the year 1803.

Africa

• Akwa Akpa – Ekpenyong Offiong Okoho, King of Akwa Akpa (1786–1805)
• Ashanti Confederacy –
  1. Osei Kwame Panyin, Asantehene (1777–1803)
  2. Osei Fofie, Asantehene (1803–1804)
• Kingdom of Buganda – Semakokiro (1771–1814)
• Bunyoro – Kyebambe III, Omukama of Bunyoro (1786–1835)
• Kingdom of Burundi – Ntare IV Rugamba (1796–1852)
• Kingdom of Dahomey – Adandozan (1797–1818)
• Ethiopian Empire – Egwale Seyon Hezqeyas (1801–1818)
• Funj Sultanate - Ranfi (1798-1804)
• Kingdom of Kaffa - Hoti Gaocho (1798-1821)
• Sultanate of Ndzuwani – Alawi bin Husain (1796–1816)
• Kingdom of Rwanda – Yuhi III (1797–1830)
• Zulu – Senzangakona, King of the Zulu (1781–1816)

Asia

• Ahom kingdom - Suklingphaa
• Alirajpur State - Pratap Singh I (1765-1818)
• Burma - Bodawpaya (1782-1819)
• Durrani Empire –
  1. Mahmud Shah, King of Afghanistan (1800–1803)
  2. Shoja Shah, King of Afghanistan (1803–1809)
• China (Qing dynasty) - Jiaqing Emperor (1796–1820)
• Empire of Japan
  • Monarch – Kōkaku (1780–1817)
  • Tokugawa shogunate – Tokugawa Ienari (1786–1837)
  • Ryukyu Kingdom – Shō Sei (1803–1804)
• Khanate of Kokand – 'Alim Khan (1800–1809)
• Joseon (Korea) – Sunjo (1800–1834)
• Kingdom of Luang Phrabang - Anurutha (1794-1819)
• Sultanate of the Maldives – Mu'in ad-Din I Muhammad (1799–1835)
• Nepal – Girvan Yuddha Bikram Shah (1799–1816), Maharajadhiraja of Nepal
• Rajpipla State -

1. Naharsinhji (1793-1803)
2. Ramsinhji (1803-1810)

• Siam – Rama I (1782–1809)
• Sikh Empire – Ranjit Singh, Maharaja of the Sikh Empire (1801–1839)

Europe

• Principality of Abkhazia – Kelesh Begi (1747–1806)
• Andorra – Francesc Antoni de la Dueña y Cisneros, Bishop of Urgell (1797–1816)
• Batavian Republic – Staatsbewind (1801–1805)
• Kingdom of Denmark–Norway
  • Monarch – Christian VII (1766–1808)
  • Minister of State - Christian Gunther (1797–1810)
• Kingdom of Etruria –
  1. Louis (1801–1803)
  2. Charles Louis (1803–1807)
• French First Republic – Napoleon Bonaparte, First Consul (1799–1804)
• Holy Roman Empire – Franz II (1792–1806)
• Ottoman (Turkish) Empire
  • Sultan - Selim III (1789–1807)
  • Grand Vizier – Yusuf Ziyaüddin Pasha (1798–1805)
• Kingdom of Portugal and the Algarves –
  • Monarch – Maria I (1777–1816)
  • Prince-Regent – Prince John (1792–1816)
• Kingdom of Prussia – Frederick William III (1797–1840)
• Russian Empire – Alexander I (1801–1825)
• Kingdom of Spain – Charles IV (1788–1808)
• Kingdom of Sweden – Gustav IV Adolf (1792–1809)
• United Kingdom of Great Britain and Ireland
  • Monarch – George III (1760–1820)
  • Prime Minister - Henry Addington (1801–1804)

Middle East and North Africa

• Abu Dhabi – Shakhbut bin Dhiyab, Shaikh of Abu Dhabi (1793–1816)
• Sultanate of Morocco – Slimane (1792–1822)
• Persia (Qajar dynasty) – Fath Ali Shah (1797–1834)
• Beylik of Tunis –
  • Bey - Hammuda ibn Ali (1782–1814)
  • Grand Vizier – Yusuf Sahib al-Tabi (1800–1815)

North America and the Caribbean

• United States - Thomas Jefferson, President of the United States (1801–1809)