List of state leaders in 1812

See also
List of state leaders in 1811 Events of 1812 List of state leaders in 1813 State leaders by year List of sovereign states in 1812 List of governors of dependent territories in 1812

This is a list of heads of state, heads of governments, and other rulers in the year 1812.

Africa

• Kingdom of Agwe - Komlagan (1812-1821)
• Ashanti Confederacy – Osei Bonsu, Asantehene (1804–1824)
• Kingdom of Buganda – Semakokiro (1771–1814)
• Bunyoro – Nyamutukura 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)
• Fulani Empire – Usman dan Fodio, Fulani Caliph (1804–1814)
• Funj Sultanate - Badi VII (1805-1821)
• Kingdom of Kaffa - Hoti Gaocho (1798-1821)
• Mayotte – Suhali bin Salim, Sultan of Mayotte (1807–1817)
• Sultanate of Ndzuwani – Alawi bin Husain (1796–1816)
• Islands of Refreshment – Jonathan Lambert (1811–1812)
• Kingdom of Rwanda – Yuhi III (1797–1830)
• Wadai Empire – Abd al-Karim Sabun (1804–1815)
• Zulu – Senzangakona, King of the Zulu (1781–1816)

Americas

• United Provinces of the Rio de la Plata

1. Feliciano Antonio Chiclana, Manuel de Sarratea and Juan José Paso, First Triumvirate (1811-1812)
2. Feliciano Antonio Chiclana, Manuel de Sarratea and Juan Martín de Pueyrredón, First Triumvirate (1812)

• Republic of Haiti – Alexandre Pétion, President (1807–1818)
• Miskito Nation – George Frederic Augustus I, King of the Miskito Nation (1801–1824)
• United States - James Madison, President of the United States (1809–1817)

Asia

• Alirajpur State - Pratap Singh I (1765-1818)
• Durrani Empire – Mahmud Shah (1809–1818)
• China (Qing dynasty) - Jiaqing Emperor (1796–1820)
• Empire of Japan
  • Monarch – Kōkaku (1780–1817)
  • Tokugawa shogunate – Tokugawa Ienari (1786–1837)
  • Ryukyu Kingdom - Shō Kō (1804–1828)
• Joseon (Korea) – Sunjo (1800–1834)
• Sultanate of the Maldives – Mu'in ad-Din I Muhammad (1799–1835)
• Kingdom of Luang Phrabang - Anurutha (1794-1819)
• Nepal – Girvan Yuddha Bikram Shah (1799–1816), Maharajadhiraja of Nepal
• Rajpipla State - Naharsinhji (1810-1821)
• Siam – Rama II (1809–1824)
• Sikh Empire – Ranjit Singh, Maharaja of the Sikh Empire (1801–1839)

Europe

• Principality of Abkhazia – Safar Begi (1810–1821)
• Andorra –
  • Francesc Antoni de la Dueña y Cisneros, Bishop of Urgel (1797–1816)
  • Napoleon I, Emperor of the French (1804–1814)
• Austrian Empire – Francis I (1792*-1835) *Note: Leader of Austria held the title of Archduke prior to 1804
• Kingdom of Bohemia – Francis (1792–1835)
• Confederation of the Rhine
  • Kingdom of Bavaria – Maximilian I (1799*-1825) *Note: Leader of Bavaria held title of Elector prior to 1805
    • Prime Minister – Count Maximilian Joseph von Montgelas (1799–1817)
  • Kingdom of Saxony – Frederick Augustus I (1763*-1827) *Note: Leader of Saxony held the title of Elector prior to 1806
  • Kingdom of Westphalia – Jérôme Bonaparte (1807–1813)
  • Kingdom of Württemberg – Frederick I (1797*-1816) *Note: Leader of Württemberg held the title of Elector prior to 1806, and the title of Duke prior to 1803
• Kingdom of Denmark–Norway
  • Monarch – Frederick VI (1808–1814)
  • Minister of State- Frederik, greve Moltke (1810–1814)
• Grand Duchy of Finland – Alexander I of Russia (1809–1825)
• First French Empire – Napoleon I (1804–1814)
• Kingdom of Hungary – Francis (1792–1835)
• Ottoman (Turkish) Empire
  • Sultan - Mahmud II (1808–1839)
  • Grand Vizier -
    1. Laz Ahmed Pasha (1811–1812)
    2. Hursid Ahmed Pasha (1812–1815)
• 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)
  • Chief Minister - Prince Karl August von Hardenberg (1810–1822)
• Russian Empire – Alexander I (1801–1825)
• Kingdom of Spain – Joseph Bonaparte (1808–1813)
• Kingdom of Sweden –
  • Monarch – Charles XIII (1809–1818)
  • Regent – Charles John, Crown Prince of Sweden (1810–1818)
• United Kingdom of Great Britain and Ireland
  • Monarch – George III (1760–1820)
  • Regent – George, Prince Regent, Regent of the United Kingdom (1811–1820)
  • Prime Minister -
    1. Spencer Perceval (1809–1812)
    2. Robert Banks Jenkinson, 2nd Earl of Liverpool (1812–1827)
• Duchy of Warsaw – Frederick Augustus I, Duke of Warsaw (1807–1813)

Middle East and North Africa

• Abu Dhabi – Shakhbut bin Dhiyab, Shaikh of Abu Dhabi (1793–1816)
• Egypt Eyalet – Muhammad Ali Pasha, Viceroy of Egypt (1805–1848)
• Sultanate of Morocco – Slimane (1792–1822)
• Persia (Qajar dynasty) – Fat′h Ali Shah Qajar (1797–1834)