# List of provisional presidents of the Argentine Senate

The provisional president of the Senate of the Argentine Nation (Spanish: Presidente provisional del Senado de la Nación Argentina), commonly known as the provisional president, is the highest-ranking official in the Argentine Senate, the upper chamber of the National Congress of Argentina barring the presence of the titular president of the Senate, the vice president of Argentina.
The provisional president of the Senate is second in the line of succession to the presidency in Argentina. At the outset of each legislative year, which per governing statutes takes place during the first ten days of December, the members of the Senate elects the provisional president. Minority parties in the chamber elect three vice presidents.

## List of provisional presidents

| 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 | UCR-A | 1922 | 1928 |
| Luis Etchevehere | UCR-A | 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 | UCR-JR | 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 Luder | 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 |