| Term | Incumbent | Affiliation | Notes |
| 31 January 1814 to 9 January 1815 | Gervasio Antonio de Posadas, Supreme Director | | |
| 9 January 1815 to 15 April 1815 | Carlos María de Alvear, Supreme Director | | |
| 18 April 1815 to 20 April 1815 | Juan José Viamonte González, Supreme Director | | |
| 20 April 1815 to 16 April 1816 | José Ignacio Álvarez Thomas, Supreme Director | | |
| 16 April 1816 to 9 July 1816 | Antonio González de Balcarce, Supreme Director | | |
| 9 July 1816 to 9 June 1819 | Juan Martín de Pueyrredón y O'Dogan, Supreme Director | | |
| 9 June 1819 to 11 February 1820 | José Casimiro Rondeau, Supreme Director | | |
| 11 February 1820 to 16 February 1820 | Juan Pedro Julián Aguirre y López de Anaya, acting Supreme Director | | |
| The Argentine Confederation |
| 8 February 1826 to July/9 August 1827 | Bernardino de la Trinidad Gónzalez Rivadavia , President | Uni | |
| July/9 August 1827 to 1828 | Alejandro Vicente López y Planes, President | Con | |
| 1828 to December 1828 | General Manuel Dorrego | Fed | Governor of the Province of Buenos Aires |
| December 1829 to December 1832 | General Juan Manuel José Domingo Ortiz de Rosas | Fed | Governor of the Province of Buenos Aires |
| December 1832 to 1833 | Juan Ramón González de Balcarce | | Governor of the Province of Buenos Aires |
| 1833 to 1834 | Juan José Viamonte González | | Governor of the Province of Buenos Aires |
| 1834 to March 1835 | Manuel Vicente Maza | | Governor of the Province of Buenos Aires |
| March 1835 to 20 September 1851 | General Juan Manuel José Domingo Ortiz de Rosas | Fed | Governor of the Province of Buenos Aires |
| 20 September 1851 to 3 February 1852 | General Juan Manuel José Domingo Ortiz de Rosas, Supreme Chief of the Confederation | Fed | Governor of the Province of Buenos Aires |
| Provisional Government of the Argentine Confederation |
| February 1852 to 31 May 1852 | Alejandro Vicente López y Planes (Head of Government) | | |
| Argentine Republic (República Argentina) |
| 31 May 1852 to 5 March 1854 | General Justo José de Urquiza, provisional Director | Fed | |
| 5 March 1854 to 5 March 1860 | General Justo José de Urquiza, President | Fed | |
| February/5 March 1860 to 5 November 1861 | Santiago Derqui, President | Fed | |
| 5 November 1861 to 12 December 1861 | Juan Esteban Pedernera, acting President | Mil | |
| 12 April/September 1862 to October 1862 | General Bartolomé Mitre, acting President | Lib | Governor of Buenos Aires |
| 12 April 1862 to 12 October 1868 | General Bartolomé Mitre Martínez, President | Lib | |
| 12 October 1868 to 12 October 1874 | Domingo Faustino Sarmiento, President | Lib | |
| 12 October 1874 to 12 October 1880 | Nicolás Remigio Aurelio Avellaneda, President | UC | |
| 12 October 1880 to 12 October 1886 | General Alejo Julio Argentino Roca, President | UC | 1st Term |
| 12 October 1886 to 6 August 1890 | Miguel Juárez Celman, President | PAN | Resigned |
| 6 August 1890 to 12 October 1892 | Carlos Enrique José Pellegrini Bevans, President | PAN | |
| 12 October 1892 to 23 January 1895 | Luis Sáenz Peña, President | UC | |
| 23 January 1895 to 12 October 1898 | Dr José Evaristo de Uriburu, President | Aut | |
| 12 October 1898 to 12 October 1904 | General Alejo Julio Argentino Roca, President | Aut | 2nd Term |
| 12 October 1904 to 12 March 1906 | Manuel A. Quintana, President | PC | |
| 12 March 1906 to 12 October 1910 | José Figueroa Alcorta, President | PC | |
| 12 October 1910 to 9 August 1914 | Roque Sáenz Peña, President | PC | Died in office |
| April 1914 to 9 August 1914 | Dr Victorino de la Plaza, acting President | PC | For Peña |
| 9 August 1914 to October 1916 | Dr Victorino de la Plaza, President | PC | |
| 12 October 1916 to October 1922 | Dr Juan Hipólito Yrigoyen | UCR | or Irigoyen |
| 12 October 1922 to October 1928 | Dr Máximo Marcelo Torcuato de Alvear, President | UCR | |
| 12 October 1928 to 6 September 1930 | Dr Juan Hipólito Yrigoyen | UCR | or Irigoyen |
| 6 September 1930 to 20 February 1932 | General José Félix Benito Uriburu, President | Mil | |
| 20 February 1932 to February 1938 | General Agustín Pedro Justo, President | CC | |
| 20 February 1938 to June 1942 | Dr Jaime Gerardo Roberto Marcelino María Ortiz, President | PDN | |
| 12 August 1940 to 27 June 1942 | Dr Ramón S. Castillo Barrionuevo, acting President | PDN | For Ortiz |
| 27 June 1942 to 4 June 1943 | Dr Ramón S. Castillo Barrionuevo, President | UCR | Deposed in a coup d'etat |
| 5 June 1942 to 7 June 1943 | General Arturo Rawson Corvalán, President of the Provisional Government | Mil | Deposed in a coup d'etat |
| 7 June 1943 to 9 March 1944 | Pedro Pablo Ramírez, President of the Provisional Government | Mil | |
| 9 March 1944 to 4 June 1946 | Edelmiro Julián Farrell, President | Mil | |
| 4 June 1946 to 21 September 1955 | ColonelJuan Domingo Perón, President | Mil/PL/PP/PJ | Deposed in a coup d'etat |
| 21 September 1955 to 23 September 1955 | Military Junta:- |
| José Domingo Molina Gómez, Chairman of Military Junta | Mil | |
| 23 September 1955 to 13 November 1955 | General Eduardo A. Lonardi, President | Mil | Deposed |
| 13 November 1955 to April 1958 | General Pedro Eugenio Aramburu, provisional President | Mil | |
| 1 March 1958 to 29 March 1962 | Dr Arturo Frondizi, President | UCRI | Deposed in a coup d'etat |
| 29 March 1962 to October 1963 | Dr José María Guido, acting President | UCI | |
| 12 October 1963 to 28 June 1966 | Dr Arturo Umberto Illia, President | UCRP | Deposed in a coup d'etat |
| 28 June 1966 to 29 June 1966 | Revolutionary Junta:- |
| Pascual Ángel Pistarini | | |
| Benigno Ignacio Marcelino Varela Barnadou | Mil | |
| Adolfo Teodoro Álvarez Melendi | Mil | |
| 29 June 1966 to 8 June 1970 | General Juan Carlos Onganía, President | Mil | Deposed |
| 8 June 1970 to 18 June 1970 | Military Junta:- |
| Pedro Alberto José Gnavi, Chairman of the Junta of Commanders | Mil | |
| 18 June 1970 to 22 March 1971 | Brigadier-General Roberto Marcelo Levingston, President | Mil | Deposed |
| 22 March 1971 to 25 March 1971 | Military Junta:- |
| General Alejandro Agustin Lanusse, Chairman of the Junta of Commanders | Mil | |
| 26 March 1971 to May 1973 | General Alejandro Agustin Lanusse, President | Mil | |
| 25 May 1973 to 13 July 1973 | Dr Héctor José Cámpora, President | FJL | |
| 14 July 1973 to 12 October 1973 | Dr Raúl Alberto Lastiri, acting President | FJL | |
| 12 October 1973 to 1 July 1974 | General Juan Domingo Perón, President | PJ | 2nd Term |
| 29 June 1974 to 1 July 1974 | Señora Isabel Maria Estela Martinez de Peron, acting President | PJ | For Gen. Perón |
| 1 July 1974 to 13 September 1975 | Señora Isabel Maria Estela Martinez de Peron, President | PJ | |
| 13 September 1975 to 16 October 1975 | Italo Argentino Luder, acting President | PJ | For Isabel Perón |
| 16 October 1975 to 24 March 1976 | Señora Isabel Maria Estela Martinez de Peron, President | PJ | Deposed in a coup d'etat |
| 24 March 1976 to 29 March 1976 | Military Junta:- |
| General Jorge Rafael Videla | Mil | |
| Emilio Eduardo Massera | Mil | |
| Orlando Ramón Agosti | Mil | |
| 29 March 1976 to 29 March 1981 | General Jorge Rafael Videla, President | Mil | |
| 29 March 1981 to 11 December 1981 | Roberto Eduardo Viola, President | Mil | |
| 11 December 1981 to 22 December 1981 | Carlos Alberto Lacoste, President | Mil | |
| 22 December 1981 to 18 June 1982 | Leopoldo Fortunato Galtieri, President | Mil | |
| 18 June 1982 to 1 July 1982 | Alfredo Oscar Saint Jean, acting President | Mil | |
| 1 July 1982 to 10 December 1983 | Reynaldo Benito Antonio Bignone, President | Mil | |
| 10 December 1983 to 8 July 1989 | Raúl Ricardo Alfonsín, President | UCR | |
| 8 July 1989 to 10 December 1999 | Carlos Saúl Menem, President | PJ | |
| 10 December 1999 to 21 December 2001 | Fernando de la Rúa, President | UCR/AL | |
| 21 December 2001 to 23 December 2001 | Federico Ramón Puerta, interim President | PJ | |
| 23 December 2001 to 1 January 2001 | Adolfo Rodríguez Saá, interim President | PJ | |
| 31 December 2001 to 1 January 2002 | Eduardo Oscar Camaño, acting President | PJ | For Saá |
| 1 January 2002 to 2 January 2002 | Eduardo Oscar Camaño, interim President | PJ | |
| 2 January 2002 to 25 May 2003 | Eduardo Alberto Duhalde, President | PJ | |
| 25 May 2003 to present | Néstor Carlos Kirchner, President | PJ | |