List of state leaders in 1846
1845 state leaders - Events of 1846 - 1847 state leaders - State leaders by year
Africa
Asia
Europe
- Abkhazia - Mikheil, Prince of Abkhazia (1822–1864)
- Andorra -
- Belgium
- Denmark
- France -
- German Confederation
- Greece -
- Hungary - Ferdinand V, King of Hungary (1835–1848)
- Lucca - Charles, Duke of Lucca (1824–1847)
- Massa and Carrara -
- Francis IV, Duke of Massa and Prince of Carrara (1829–1846)
- Francis V, Duke of Massa and Prince of Carrara (1846–1859)
- Modena -
- Francis IV, Duke of Modena (1814–1846)
- Francis V, Duke of Modena (1846–1859)
- Moldavia - Mihail Sturdza, Vovoid of Moldavia (1834–1849)
- Montenegro - Petar II Petrović Njegoš, Prince-Bishop of Montenegro (1830–1851)
- Netherlands - William II, King of the Netherlands (1840–1849)
- Norway - United Kingdoms of Sweden and Norway - Kingdom of Sweden-Norway
- Ottoman (Turkish) Empire
- Papal States -
- Gregory XVI, Pope (1831–1846)
- Pius IX, Pope (1846–1870)
- Parma - Marie Louise, Duchess of Parma (1814–1847)
- Piedmont-Sardinia - Charles Albert, King of Sardinia (1831–1849)
- Poland - Nicholas I, King of Poland, (1825–1855)
- Portugal - Maria II, Queen of Portugal (1826–1828, 1834–1853)
- Russia - Nicholas I, Tsar of Russia (1825–1855)
- Spain - Isabella II, Queen of Spain (1833–1868)
- Sweden - United Kingdoms of Sweden and Norway - Oscar I, King of Sweden (1844–1859)
- Switzerland - Johann Ulrich Zehnder, President of the Diet (1846)
- Tuscany - Leopold II, Grand Duke of Tuscany (1824–1848, 1849–1859)
- Two Sicilies - Ferdinand II, King of the Two Sicilies (1830–1859)
- United Kingdom -
- Wallachia - Gheorghe Bibescu, Vovoid of Wallachia (1842–1848)
Middle East and North Africa
North American and the Caribbean
- Costa Rica -
- Francisco María Oreamuno Bonilla, Head of State of Costa Rica (1844–1846)
- José María Alfaro Zamora, Head of State of Costa Rica (1846–1847)
- Dominican Republic - Pedro Santana Familias, President of the Dominican Republic (1844–1848, 1849, 1853–1856)
- El Salvador -
- Joaquín Eufrasio Guzmán, President of El Salvador (1845–1846)
- Fermín Palacios, Acting President of El Salvador (1846)
- Eugenio Aguilar, President of El Salvador (1846–1848)
- Guatemala - José Rafael Carrera Turcios, President of Guatemala (1844–1848, 1851–1865))
- Haiti -
- Jean-Louis Pierrot: President of Haiti (1845–1846)
- Jean-Baptiste Riché: President of Haiti (1846–1847)
- Honduras - Coronado Chávez, President of Honduras (1845–1847)
- Mexico -
- Mariano Paredes y Arrillaga, President of Mexico (1846)
- Nicolás Bravo, President of Mexico (1846)
- Mariano Salas, President of Mexico (1846)
- Valentín Gómez Farías, President of Mexico (1846–1847)
- Miskito Nation - George Augustus Frederic II, King of the Miskito Nation (1842–1865)
- Nicaragua - José León Sandoval, Director of Nicaragua (1845–1847)
- United States - James K. Polk, President of the United States (1845–1849)
- Yucatán - Miguel Barbachano, Governor of Yucatán (1841, 1842–1843, 1844, 1846–1847, 1848–1853)
- Independent from Mexico 1 January 1846 to 17 August 1848
Oceania
South America
- Argentine Confederation - Juan Manuel de Rosas, Governor of Buenos Aires Province in charge of the Foreign Relations of the Argentine Confederation (1835–1851)
- Bolivia - José Ballivián Segurola, President of Bolivia (1841–1847)
- Brazil - Pedro II, Emperor of Brazil (1831–1889)
- Chile - Manuel Bulnes Prieto, President of Chile (1841–1851)
- Ecuador - Vicente Ramón Roca, President of Ecuador (1845–1849)
- New Granada - Tomás Cipriano de Mosquera, President of New Granada (1844–1849)
- Paraguay - Carlos Antonio López, Perpetual Supreme Dictator (1844–1862)
- Peru - Ramón Castilla, President of Peru (1845–1851 and 1855–1862)
- Uruguay - Joaquín Suárez, President of Uruguay (1843–1852)
- Venezuela - Carlos Soublette, President of Venezuela (1837–1839 and 1843–1847)