1816 incumbents
1815 incumbents - Events of 1816 - 1817 incumbents - Incumbents by year
- Abkhazia - Safar Begi, Prince of Abkhazia (1810-1821)
- Afghanistan - Mahmud Shah, King of Kabul, Herat, Kandahar, and Peshawar (1809-1818)
- Andorra - Louis XVIII, King of France (1815-1824); Francesc Antoni de la DueÃÂña y Cisneros, Bishop of Urgel (1797-1816)
- Anhalt-Bernburg - Alexius, Duke of Anhalt-Bernburg (1806-1834, Prince 1796-1806)
- Anhalt-Dessau - Leopold III, Duke of Anhalt-Dessau (1807-1817, Prince 1751-1807)
- Anhalt-KÃÂöthen - Ludwig II, Duke of Anhalt-KÃÂöthen (1812-1818)
- Araucania - Unknown; independent by treaty with Spain
- Argentina - Ignacio ÃÂÃÂlvarez Thomas (1815-Apr. 16, 1816), Antonio GonzÃÂález Balcarce (to Jul. 9), Juan MartÃÂÃÂn de PueyrredÃÂón (to 1819), Supreme Directors of Argentina
- Austria - Franz I, Emperor of Austria (1804-1835)
- Azerbaijan - Existed as various cities/districts, with the rest under Russia's control:
- Baden - Karl Ludwig, Grand Duke of Baden (1811-1818)
- Bahrain - Shiekh Sulman ibn Ahmad Al Khalifah, Ruler of Bahrain (1796-1825)
- Bavaria - Maximilian I, King of Bavaria (1805-1825)
- Bhutan - Jigme Dragpa II, Spiritual Ruler of Bhutan (1791-1830); Sonam Drugyal, Ruler of Bhutan (1815-1819)
- Brazil -
- Maria I, Queen of Brazil (1815-1816)
- JoÃÂão VI, King of Brazil (1816-1826, regent for incapacitated queen, 1815-1816)
- Brunei - Muhammad Khanzul Alam, Sultan of Brunei (1807-1828)
- Brunswick - Karl II, Duke of Brunswick (1815-1831)
- Burma - Bodawphaya, King of Awa (1782-1819)
- Burundi - Ntare IV Rugamba, King of Burundi (c1796-c.1850)
- Cambodia - Ang Chan II, King of Cambodia (1813-1834)
- China - Yongyan, Emperor of China (1796-1820
- Croatia - Ignjat Gyulay Maros-Nemeth, Ban of Croatia (1806-1831)
- Denmark - Frederik VI, King of Denmark (1808-1839)
- Easter Islands - Unknown
- Ethiopia - Egwale Seyon Hezqeyas, Emperor of Ethiopia (1801-1818)
- Faeroe Islands - Emilius Marius Georgius LÃÂøbner, Prefect of the Faeroe Islands (1816-1825)
- Fiji - Naulivou, Ruler of Fiji (1803-1829)
- Finland - Alexander I, Grand Duke of Finland (1809-1825)
- France - Louis XVIII, King of France (1815-1824)
- Guadeloupe - Antoine Philippe de Lardenoy, Governor of Guadeloupe (1816-1823)
- Guastalla - Maria Luigia, Duchess of Guastalla (1814-1847)
- Hanover - Georg III, King of Hanover (1814-1820)
- Grand Duchy of Hesse and by Rhine - Ludwig I, Grand Duke of Hesse and by Rhine (1806-1830)
- Electorate of Hesse - Wilhelm I, Elector of Hesse (1813-1821)
- Hesse-Homburg - Friedrich V, Landgrave of Hesse-Homburg (1751-1820)
- Hohenzollern-Hechingen - Friedrich, Prince of Hohenzollern-Hechingen (1810-1838)
- Hohenzollern-Sigmaringen - Anton, Prince of Hohenzollern-Sigmaringen (1785-1831)
- Japan - Tomohito, Emperor of Japan (1780-1817)
- Korea - Yi Kwang, King of the Great Choson Empire (1800-1834)
- Kuwait - Sheikh Jabir ibn Abdullah Al Sabah, Ruler of Kuwait (1814-1859)
- Laos - Anuvong, King of Laos (1803-1828)
- Lauenburg - Frederick VI of Denmark, Duke of Lauenburg (1815-1839)
- Liechtenstein - Johann I, Prince of Liechtenstein (1813-1836)
- Lippe - Leopold II, Prince of Lippe (1802-1851)
- Lucca - Maria Luisa, Duchess of Lucca (1817-1824)
- Luxembourg - Guillaume I, Grand Duke of Luxembourg (1815-1840)
- Maldives - Mu'in ad-Din I Muhammad, Sultan of the Maldives (1799-1835)
- Massa and Carrara - Maria Beatrice Riccardia III, Duchess of Massa and Princess of Carrara (1814-1829)
- Mayotte - Suhali bin Salim, Sultan of Mayotte (1807-1817)
- Mecklenburg-Schwerin - Friedrich Franz I, Grand Duke of Mecklenburg-Schwerin (1815-1837, Duke 1785-1815)
- Mecklenburg-Strelitz -
- Modena - Francesco IV, Duke of Modena and Reggio (1814-1831)
- Mogul Empire - Mo'in ad-Din Abu'n Nasr Mohammad Akbar Padshah Saheb Qiran-e Sani, Emperor of India (1806-1837)
- Monaco - HonorÃÂé IV, Prince of Monaco (1814-1819)
- Morocco - AbuÃÂôr-Rabi Sulayman, Sultan of Morocco (1792-1822)
- Naples - Ferdinand IV, King of Naples (1815-1816, then King of the Two Sicilies)
- Nassau -
- Nduzwani - Manuel Fernando Serrano, Sultan of Nduzwani (1796-1816); Abdallah bin Alawi (1816-1832)
- Nepal - Rajendra Bikram Shah Deva, King of Nepal; Lalit Tripura Sundari, Regent (1806-1832)
- The Netherlands - Willem I, King of the Netherlands (1815-1840)
- North Haiti - Henri I, King of North Haiti (1811-1820)
- Norway - Karl II, King of Norway (1814-1818)
- Oldenburg - Wilhelm, Duke of Oldenburg (1813-1823)
- Oman - Sa'id II ibn Sultan, Sultan of Oman (1804-1856)
- Ottoman Empire - Mahmud II, Sultan (1808-1839)
- Papal States - Pope Pius VII (1800-1823)
- Paraguay - JosÃÂé Gaspar RodrÃÂÃÂguez de Francia, Supreme Dictator of Paraguay (1814-1840)
- Parma - Maria Luigia, Duchess of Parma and Piacenza (1814-1847)
- Persia - Fath Ali Qajar, Shah of Persia (1797-1834)
- Piedmont-Sardinia - Victor Emmanuel I, King of Sardinia (1802-1821)
- Poland - Alexander I of Russia, King of Poland (1815-1825)
- Portugal -
- Angola - LuÃÂÃÂs da Mota FÃÂêo e Torres, Governor of Angola (1816-1819)
- Cape Verde - AntÃÂónio Coutinho de Lencastre, Governor of Cape Verde (1803-1818)
- Bissau - AntÃÂónio Cardoso Figueiredo, Captain-Major of Bissau
- Cacheu - Unknown
- East Timor - JosÃÂé Pinto Alcoforado de Azevedo e Sousa, Governor of East Timor (1815-1819)
- French Guiana - JoÃÂão Severiano Maciel da Costa, Governor of French Guiana (1809-1817); also technically owned by Spain
- Macau - Lucas JosÃÂé de Alvarenga, Governor of Macau (1814-1817)
- Prussia - Friedrich Wilhelm III, King of Prussia (1797-1840)
- Reuss-Ebersdorf - Heinrich LI, Prince of Reuss-Ebersdorf (1806-1822, Count 1779-1806)
- Reuss-Lobenstein - Heinrich LIV, Prince of Reuss-Lobenstein (1805-1824)
- Reuss-Schleiz-Gera - Heinrich XLII, Prince of Reuss-Schleiz-Gera (1806-1818, Count 1802-1806)
- Reuss Senior Line - Heinrich XIII, Prince of Reuss Senior Line (1800-1817)
- Russia - Alexander I, Emperor of Russia (1801-1825)
- Rwanda - Mutara II Rwogera, King of Rwanda (1802-1853)
- Samoa - Unknown
- San Marino - Francesco Maria Belluzzi and Filippo Filippi (Oct. 1815 - Apr. 1816), Camillo Bonelli and Pietro Berti (Apr. 1816 - Oct. 1816), Luigi Giannini and Matteo Martelli (Oct. 1816 - Apr. 1817), Captains-Regent of San Marino
- Saxe-Coburg-Saalfeld - Ernst I, Duke of Saxe-Coburg-Saalfeld (1806-1826, Duke of Saxe-Coburg and Gotha 1826-1844)
- Saxe-Gotha - August, Duke of Saxe-Gotha (1804-1822)
- Saxe-Hildburghausen - Friedrich, Duke of Saxe-Hildburghausen (1780-1826, Duke of Saxe-Altenburg 1826-1834)
- Saxe-Meiningen - Bernhard II, Duke of Saxe-Meiningen (1803-1866)
- Saxe-Weimar-Eisenach - Karl August, Grand Duke of Saxe-Weimar-Eisenach (1815-1828, Duke 1758-1815)
- Saxony - Friedrich August I, King of Saxony (1806-1827)
- Schaumburg-Lippe - Georg I Wilhelm, Prince of Schaumburg-Lippe (1807-1860, Count 1787-1807)
- Schleswig-Holstein - Frederick VI of Denmark, Duke of Schleswig and Holstein (1808-1839)
- Schwarzburg-Rudolstadt - Friedrich GÃÂünther, Prince of Schwarzburg-Rudolstadt (1807-1867)
- Schwarzburg-Sondershausen - GÃÂünther Friedrich Karl I, Prince of Schwarzburg-Sondershausen (1794-1835)
- Serbia - Milos Obrenovic I, Prince of Serbia (1815-1839); technically unofficial
- Sicily - Ferdinand III, King of Sicily (1759-1816, then King of the Two Sicilies)
- Society Islands - Pomare II, Ruler of the Society Islands (1815-1821)
- South Haiti - Alexandre PÃÂétion, President of South Haiti (1815-1818)
- Spain - Fernando VII, King of Spain (1813-1833)
- Colombia - Francisco Montalvo y Ambulodi Arriola y Casabant Valdespino, Viceroy of Colombia (1816-1818)
- Cuba - Juan RuÃÂÃÂz de Apodaca, Governor of Cuba (1812-1816); JosÃÂé Cienfuegos (1816-1819)
- Dominican Republic - Carlos de Urrutia y Montoya, Governor of the Dominican Republic (1813-1819)
- Equatorial Guinea - no leader at the time
- Guam - JosÃÂé de Medinilla y Pineda, Governor of Guam (1812-1822)
- Sweden - Karl XIII, King of Sweden (1809-1818)
- Saint-BarthÃÂélemy - Bernt Robert Gustaf Stackelberg, Governor of Saint-Barthélemy (1812-1816); Johan Samuel RosensvÃÂärd, Governor of Saint-BarthÃÂélemy (1816-1818)
- Switzerland - Hans von Reinhard, President of the Diet of the Swiss Confederation (1816)
- Tibet - De-mo sPrul-sku Blo-bzang-thub-bstan-'jigs-med-rgya-mtsho, Regent Dalai Lama of Tibet (1815-1819)
- Thailand - Buddha Loetla, King of Krung Thep (1809-1824)
- Tuscany - Ferdinando III, Grand Duke of Tuscany (1814-1824)
- Two Sicilies - Ferdinand I, King of the Two Sicilies (1816-1825, from 1759 King Ferdinand IV of Naples and King Ferdinand III of Sicily)
- United Kingdom - George III, King of the United Kingdom of Great Britain and Ireland (1760/1801-1820)
- Alderney - John Le Mesurier III, Governor of Alderney (1803-1825)
- Sark - Pierre Le Pelley II, Seigneur of Sark (1778-1820)
- Antigua - George William Ramsay, Governor of Antigua (1816-1819)
- The Bahamas - Charles Cameron, Governor of the Bahamas (1804-1820)
- Barbados - Sir James Leith, Governor of Barbados (1815-1816)
- Belize - George Arthur, Governor of Belize (1814-1822)
- Berbice - Henry William Bentinck, Lieutenant Governor of Berbice (1814-1820)
- Bermuda - Sir James Cockburn, Governor of Bermuda (1811-1819)
- British Virgin Islands - Richard Hetherington, President of the British Virgin Islands (1811-???)
- Dominica - Charles William Maxwell, Governor of Dominica (1816-1819)
- Egypt - see at non-head of state leaders; occupied by the Ottoman Empire, France, and the United Kingdom, successively
- The Gambia - Alexander Grant, Commandant of the Gambia (1815-1829)
- Ghana - Edward White, Governor of the Committee of Merchants (1807-Apr. 21, 1816); Joseph Dawson (to 1817)
- Gibraltar - Sir George Don, Governor of Gibraltar (1814-1821)
- Grenada - George Paterson, Acting Lieutenant Governor of Grenada (1815-1816); Phineas Riall, Lieutenant Governor of Grenada (to 1823)
- Guernsey - George Pembroke, Earl of Pembroke, Governor of Guernsey (1807-1827)
- Heligoland - Charles Hamilton, Lieutenant Governor of Heligoland (1814-1817)
- Ionian Islands - Sir Thomas Maitland, Lord High Commissioner of the Ionian Islands (1815-1823); de facto protectorate
- Jamaica - FILL THIS IN
- Cayman Islands - William Bodden, Governor of the Cayman Islands (1776-1823)
- Leeward Islands - Sir James Leith, Governor of the Leeward Islands (1814-1816)
- Alderney - John Le Mesurier III, Governor of Alderney (1803-1825)
- United Provinces of New Grenada - Presidents of New Grenada:
- United States - James Madison, President of the United States (1809-1817)
- See also Fourteenth United States Congress, List of United States Governors in 1816
- Venezuela - SimÃÂón BolÃÂÃÂvar, Supreme Chief of Venezuela (1816-1819)
- Vietnam - Nguyen Phuoc Noan, Emperor of Vietnam (1802-1820)
- Waldeck-Pyrmont - Georg II, Prince of Waldeck and Pyrmont (1813-1845)
- Wallachia - Ioan Gheorghe Caragea, Prince of Wallachia (1812-1818)
- WÃÂürttemberg -
- Friedrich I, King of WÃÂürttemberg (1806-1816)
- Wilhelm I, King of WÃÂürttemberg (1816-1864)
Non-Head of State Leaders
- Alderney - Pierre Gauvin, Judge of Alderney (1807-1836); British colony
- Brazil - Fernando JosÃÂé de Portugal e Castro, Principal Minister of Brazil (1808-1817)
- Egypt - Muhammad Ali Pasha, Governor of Egypt (1805-1848)
- France - Armand Emmanuel du Plessis, duc de Richelieu, Prime Minister of France (1815-1818)
- Grenada - Peter de Havilland, Bailiff of Grenada (1810-1821); British colony
- Lebanon - Bashir ibn al-Qasim ibn Umar, Emir of Lebanon (1801-1821)
- Norway - Crown Prince Carl Johan, Regent (1810-1818)
- Réunion - Athanase Hyacinthe Bouvet de Lozier, Governor of Réunion (1815-1817)
- Sweden - Crown Prince Carl Johan, Regent (1810-1818)
- Tunisia - Mahmud, Bey of Tunisia (1814-1824)
- United Kingdom
- HRH The Prince of Wales, Regent
- Robert Banks Jenkinson, 2nd Earl of Liverpool, Prime Minister and First Lord of the Treasury