1814 state leaders - Events of 1815 - 1816 state leaders - State leaders by year
See also: List of religious leaders in 1815, List of colonial governors in 1815
Africa
- Ashanti Confederacy - Osei Bonsu, Asantehene (1804-1824)
- Buganda - Kamaya, King of Buganda (1814-1836)
- Bunyoro - 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 - Mohammed Bello, Fulani Sultan (1814-1837)
- Mayotte - Suhali bin Salim, Sultan of Mayotte (1807-1817)
- 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 - Mahmud Shah, King of Afghanistan (1809-1818)
- 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)
Australia and Oceania
- Colony of New South Wales
- Monarch - George III, King of the United Kingdom (1760-1820)
- Governor - Major-General Lachlan Macquarie, Governor of New South Wales (1810-1821)
- Van Diemen's Land
- Lieutenant Governor - Colonel Thomas Davey, Lieutenant Governor of Van Diemen's Land (1813-1817)
Europe
- Abkhazia - Safar Begi, Prince of Abkhazia (1810-1821)
- Andorra -
- Francesc Antoni de la Dueña y Cisneros, Bishop of Urgel (1797-1816)
- French Co-Prince -
- Louis XVIII, King of France (1814-1815)
- Napoleon I, Emperor of France (1815)
- Louis XVIII, King of France (1815-1824)
- Austria -
- Monarch - Francis I, Emperor of Austria (1804-1835)
- Foreign Minister - Klemens Wenzel von Metternich, Foreign Minister of Austria (1809-1848)
- Bavaria
- Monarch - Maximilian I Joseph, King of Bavaria (1805-1825)
- Prime Minister - Count Maximilian Joseph von Montgelas, Prime Minister of Bavaria (1799-1817)
- Denmark
- Monarch - Frederick VI, King of Denmark (1808-1839)
- Prime Minister - Joachim Godske, Minister of State of Denmark (1814-1818)
- Finland - Alexander I, Grand Duke of Finland (1809-1825)
- France -
- Monarch -
- Prime Minister -
- Duc de Blacas, Prime Minister of France (1814-1815)
- none (during the Hundred Days of Napoleon's return, 1815)
- Joseph Fouché, acting Prime Minister of France (1815)
- Charles Maurice de Talleyrand-Périgord, Prime Minister of France (1815)
- Duc de Richelieu, Prime Minister of France (1815-1818)
- Hanover - in personal union with the United Kingdom
- Monarch - George III, King of Hanover (1814-1820)
- Luxembourg - in personal union with the Netherlands
- Monarch - William I, Grand Duke of Luxembourg (1815-1840)
- Netherlands - William I, Sovereign Prince of the Netherlands (1813-1815), King of the Netherlands (1815-1840)
- Norway - Kingdom of Sweden-Norway
- Monarch - Carl III, King of Norway (1814-1818)
- Regent - Crown Prince Carl (Bernadotte), Crown Prince of Norway (1814-1818)
- Viceroy - Hans Henrik von Essen, Viceroy of Norway (1814-1816)
- Ottoman Empire - Mahmud II, Sultan of the Ottoman Empire (1808-1839)
- Portugal - Maria I Francisca, Queen of Portugal (1777-1816)
- Prussia -
- Monarch - Friedrich Wilhelm III, King of Prussia (1797-1840)
- Chief Minister - Karl August von Hardenberg, Chief Minister of Prussia (1810-1822)
- Russia - Alexander I, Tsar of Russia (1801-1825)
- Saxony - Friedrich August I, King of Saxony (1806-1827)
- Spain - Ferdinand VII, King of Spain (1808, 1814-1833)
- Sweden - Kingdom of Sweden-Norway
- Monarch - Charles XIII, King of Sweden (1809-1818)
- Regent - Crown Prince Charles (Bernadotte), Crown Prince of Sweden (1810-1818)
- Chief Minister - Fredrik Gyllenborg, Prime Minister for Justice of Sweden (1810-1829)
- Foreign Minister - Lars von Engeström, Prime Minister for Foreign Affairs of Sweden-Norway (1809-1824)
- United Kingdom
- Monarch - George III, King of the United Kingdom (1760-1820)
- Regent - The Prince of Wales, Regent of the United Kingdom (1811-1820)
- Prime Minister - Robert Banks Jenkinson, 2nd Earl of Liverpool, Prime Minister of the United Kingdom (1812-1827)
Middle East and North Africa
- Abu Dhabi - Shakhbut bin Dhiyab, Shaikh of Abu Dhabi (1793-1816)
- Algeria -
- Morocco - Slimane, Sultan of Morocco (1792-1822)
- Ottoman Empire
- Monarch - Mahmud II, Sultan of the Ottoman Empire (1808-1839)
- Grand Vizier -