President | Party | Term start | Term end |
José Acevedo | | Unitarian Party | 1855 | 1856 |
Tomás Guido | | Unitarian Party | 1856 | 1858 |
Mariano Fragueiro | | Unitarian Party | 1858 | 1858 |
Pascual Echagüe | | Federalist Party | 1858 | 1859 |
Manuel Leiva | | Unitarian Party | 1859 | 1860 |
Pascual Echagüe | | Federalist Party | 1860 | 1861 |
Nicolás Calvo | | Federalist Party | 1861 | 1862 |
Marcos Paz | | Unitarian Party | 1862 | 1862 |
Valentín Alsina | | Unitarian Party | 1862 | 1864 |
Pedro Ferré | | Federalist Party | 1864 | 1865 |
Valentín Alsina | | Unitarian Party | 1865 | 1869 |
Salustiano Zavalía | | Unitarian Party | 1869 | 1870 |
Manuel Quintana | | Autonomist Party | 1870 | 1875 |
Wenceslao Díaz Colodrero | | National Autonomist Party | 1875 | 1876 |
Dardo Rocha | | National Autonomist Party | 1876 | 1878 |
Benjamín Paz | | National Autonomist Party | 1878 | 1880 |
Aristóbulo del Valle | | National Autonomist Party | 1880 | 1881 |
Benjamín Paz | | National Autonomist Party | 1881 | 1883 |
Antonino Cambaceres | | National Autonomist Party | 1883 | 1889 |
Julio Argentino Roca | | National Autonomist Party | 1889 | 1890 |
Manuel Derqui | | National Autonomist Party | 1890 | 1891 |
Miguel Nougués | | National Autonomist Party | 1891 | 1892 |
Julio Argentino Roca | | National Autonomist Party | 1892 | 1892 |
Mariano Varela | | National Autonomist Party | 1892 | 1893 |
José Gálvez | | National Autonomist Party | 1893 | 1894 |
Leonidas Echagüe | | National Autonomist Party | 1894 | 1895 |
Julio Argentino Roca | | National Autonomist Party | 1895 | 1898 |
Bartolomé Mitre | | National Autonomist Party | 1898 | 1902 |
José Evaristo Uriburu | | National Autonomist Party | 1902 | 1905 |
Félix Uriburu | | National Autonomist Party | 1905 | 1906 |
Benito Villanueva | | National Autonomist Party | 1906 | 1908 |
José Evaristo Uriburu | | National Autonomist Party | 1908 | 1909 |
Benito Villanueva | | National Autonomist Party | 1909 | 1910 |
Domingo Pérez | | National Autonomist Party | 1910 | 1910 |
Antonio del Pino | | National Autonomist Party | 1910 | 1911 |
Benito Villanueva | | National Autonomist Party | 1911 | 1922 |
Leopoldo Melo | | Antipersonalist UCR | 1922 | 1928 |
Luis Etchevehere | | Antipersonalist UCR | 1928 | 1930 |
Congress closed during the dictatorship of José Félix Uriburu (1930–1932) |
Robustiano Patrón Costas | | National Democratic Party | 1932 | 1943 |
Congress closed during the dictatorship of the Revolución del 43 (1943–1946) |
Ernesto Bavio | | Radical Civic Union | 1946 | 1947 |
Alberto Teisaire | | Peronist Party | 1947 | 1953 |
Alberto Iturbe | | Peronist Party | 1953 | 1954 |
Ramón Albariño | | Peronist Party | 1954 | 1955 |
Congress closed during the dictatorship of the Revolución Libertadora (1955–1958) |
José María Guido | | Intransigent UCR | 31 March 1958 | 30 March 1962 |
Eduardo Gamond | | People's UCR | 12 August 1963 | 28 June 1966 |
Congress closed during the dictatorship of the Revolución Argentina (1966–1973) |
Alejandro Díaz Bialet | | Justicialist Party | 3 May 1973 | 13 July 1973 |
José Antonio Allende | | Christian Democratic Party | 13 July 1973 | 25 April 1975 |
Ítalo Lúder | | Justicialist Party | 8 July 1975 | 24 March 1976 |
Congress closed during the dictatorship of the National Reorganization Process (1976–1983) |
Edison Otero | | Radical Civic Union | 29 November 1983 | 31 May 1989 |
Eduardo Menem | | Justicialist Party | 31 May 1989 | 1 December 1999 |
José Genoud | | Radical Civic Union | 1 December 1999 | 9 October 2000 |
Mario Losada | | Radical Civic Union | 11 October 2000 | 10 December 2001 |
Ramón Puerta | | Justicialist Party | 10 December 2001 | 30 December 2001 |
Juan Carlos Maqueda | | Justicialist Party | 4 January 2002 | 27 December 2002 |
José Luis Gioja | | Justicialist Party | 27 December 2002 | 4 December 2003 |
Marcelo Guinle | | Justicialist Party–FPV | 4 December 2003 | 22 February 2006 |
José Pampuro | | Justicialist Party–FPV | 22 February 2006 | 30 November 2011 |
Beatriz Rojkés de Alperovich | | Justicialist Party–FPV | 30 November 2011 | 28 February 28, 2014 |
Gerardo Zamora | | Civic Front for Santiago | 28 February 2014 | 3 December 2015 |
Federico Pinedo | | PRO–Cambiemos | 3 December 2015 | 10 December 2019 |
Claudia Ledesma Abdala | | Justicialist Party–FdT | 10 December 2019 | 10 December 2023 |
Bartolomé Abdala | | Libertarian Party–LLA | 13 December 2023 | Incumbent |