| Period | Governor | Portrait | 
| December 12, 1861 - October 11, 1862 | Bartolomé Mitre (at the same time President of reunited Argentina)
 |  | 
| October 11, 1862 - October 15, 1862 | Vicente Cazón in charge of executive power |  | 
| October 15, 1862 - May 3, 1866 | Mariano Saavedra |  | 
| May 3, 1866 - October 10, 1868 | Adolfo Alsina |  | 
| October 10, 1868 - May 3, 1872 | Emilio Castro |  | 
| May 3, 1872 - September 12, 1874 | Mariano Acosta |  | 
| September 12, 1874 - May 1, 1875 | Álvaro Barros in charge of executive power |  | 
| May 1, 1875 - May 1, 1878 | Carlos Casares |  | 
| May 1, 1878 - July 1, 1880 | Carlos Tejedor |  | 
| July 1, 1880 - July 18, 1880 | José María Moreno |  | 
| July 18, 1880 - October 11, 1880 | José María Bustillo federal intervention |  | 
| October 11, 1880 - May 1, 1881 | Juan José Romero in charge of the executive power |  | 
| May 1, 1881 - Ma 1, 1884 | Dardo Rocha |  | 
| May 1, 1884 - May 1, 1887 | Carlos Alfredo D'Amico |  | 
| May 1, 1887 - May 1, 1890 | Máximo Paz |  | 
| May 1, 1890 - August 7, 1893 | Julio A. Costa |  | 
| August 7, 1893 - August 8, 1893 | Guillermo Doll Vice Senator |  | 
| August 8, 1893 - August 9, 1893 | Aristóbulo del Valle Minister in charge |  | 
| August 9, 1893 - August 18, 1893 | Juan Carlos Belgrano (interim) |  | 
| August 18, 1893 - September 21, 1893 | Eduardo Olivera (Federal intervention) |  | 
| September 21, 1893 - May 1, 1894 | Lucio Vicente López (Federal intervention) |  | 
| May 1, 1894 - May 1, 1898 | Guillermo Udaondo |  | 
| May 1, 1898 - May 1, 1902 | Bernardo de Irigoyen |  | 
| May 1, 1902 - May 1, 1906 | Marcelino Ugarte |  | 
| May 1, 1906 - May 1, 1910 | Ignacio Darío Irigoyen |  | 
| May 1, 1910 - September 12, 1912 | José Inocencio Arias |  | 
| September 12, 1912 - March 15, 1913 | Ezequiel de La Serna Vice Gob. |  | 
| March 15, 1913 - July 2, 1913 | Eduardo Arana Pte. Senate |  | 
| July 2, 1913 - September 1, 1913 | Juan Manuel Ortiz de Rosas | .jpg) | 
| September 1, 1913 - May 1, 1914 | Luis García Vice Gob. |  | 
| May 1, 1914 - April 25, 1917 | Marcelino Ugarte |  | 
| April 25, 1917 - May 1, 1918 | José Luis Cantilo Federal intervention |  | 
| May 1, 1918 - May 20, 1921 | José Camilo Crotto |  | 
| May 20, 1921 - May 1, 1922 | Luis Monteverde Vice Gob. |  | 
| May 1, 1922 - May 1, 1926 | José Luis Cantilo |  | 
| May 1, 1926 - May 1, 1930 | Valentín Vergara |  | 
| May 1, 1930 - September 11, 1930 | Nereo Crovetto |  | 
| September 11, 1930 - December 31, 1930 | Carlos Meyer Pellegrini Federal intervention |  | 
| December 31, 1930 - January 19, 1931 | Clodomino Zabalia Federal intervention |  | 
| January 19, 1931 - May 4, 1931 | Carlos Meyer Pellegrini Federal intervention |  | 
| May 4, 1931 - May 12, 1931 | Mariano Vedia (H) |  | 
| May 12, 1931 - October 2, 1931 | Manuel Alvarado Federal intervention |  | 
| October 2, 1931 - February 18, 1932 | Raymundo Meabe Federal intervention |  | 
| February 18, 1932 - March 15, 1935 | Federico L. Martínez de Hoz |  | 
| March 15, 1935 - January 20, 1936 | Raúl Diaz Vice Gob. |  | 
| January 20, 1936 - January 29, 1936 | Edgardo J. Miguez President of the Senate |  | 
| January 29, 1936 - February 18, 1936 | Raúl Diaz Vice Gob. |  | 
| February 18, 1936 - March 7, 1940 | Manuel Fresco |  | 
| March 7, 1940 - March 13, 1940 | Luis A. Cassinelli National commission |  | 
| March 13, 1940 - February 1, 1941 | Octavio R. Amadeo Federal intervention |  | 
| February 1, 1941 - February 10, 1941 | Eduardo T. López Federal intervention |  | 
| February 10, 1941 - September 3, 1941 | Eleazar T. Videla National commission |  | 
| September 3, 1941 - September 13, 1941 | Enrique I. Rottjer Federal intervention |  | 
| September 13, 1941 - January 7, 1942 | Dimas González Gowland National commission |  | 
| January 7, 1942 - April 13, 1943 | Rodolfo Moreno |  | 
| April 13, 1943 - June 12, 1943 | Edgardo J. Miguez Vice Gob. |  | 
| June 12, 1943 - June 17, 1943 | Oscar Cazalas National commission |  | 
| June 17, 1943 - December 22, 1943 | Armando Verdaguer National commission |  | 
| December 22, 1943 - January 5, 1944 | Faustino J. Legon Federal intervention |  | 
| January 5, 1944 - May 5, 1944 | Julio O. Ojea Federal intervention |  | 
| May 5, 1944 - July 19, 1944 | Luis García Mata Federal intervention |  | 
| July 19, 1944 - December 27, 1944 | Juan Carlos Sanguinetti Federal intervention |  | 
| December 27, 1944 - January 12, 1945 | Roberto M. Vanetta Federal intervention |  | 
| January 12, 1945 - September 19, 1945 | Juan Atilio Bramuglia Federal intervention |  | 
| September 19, 1945 - September 28, 1945 | Ramón del Rio Federal intervention |  | 
| September 28, 1945 - October 17, 1945 | Alberto H. Reales Federal intervention |  | 
| October 17, 1945 - October 29, 1945 | Francisco A. Sáenz Federal intervention |  | 
| October 29, 1945 - January 22, 1946 | Ramón A. Albariño Federal intervention |  | 
| January 22, 1946 - January 24, 1946 | Juan Enrique Coronas Federal intervention |  | 
| January 24, 1946 - May 16, 1946 | Francisco A. Sainz Kelly Federal intervention |  | 
| May 16, 1946 - June 4, 1952 | Domingo A. Mercante - PJ |  | 
| June 4, 1952 - September 20, 1955 | Carlos V. Aloe - PJ |  | 
| September 20, 1955 - September 25, 1955 | Carlos A. Diaz - PJ) |  | 
| September 25, 1955 - November 10, 1955 | Arturo E. Osorio Arana Federal intervention |  | 
| November 10, 1955 - November 15, 1955 | Juan María Mathet (delegated) |  | 
| November 15, 1955 - May 2, 1958 | Emilio A. Bonnecarrere Federal intervention |  | 
| May 2, 1958 - March 20, 1962 | Oscar Alende - UCRI |  | 
| March 20, 1962 - April 13, 1962 | Jorge Bermúdez Emparanza Federal intervention |  | 
| April 13, 1962 - June 8, 1962 | Roberto Etchepareborda National commission |  | 
| June 8, 1962 - October 24, 1962 | Ceferino Merbilhaa National commission |  | 
| October 24, 1962 - April 24, 1963 | Félix Trigo Viera National commission |  | 
| April 24, 1963 - October 12, 1963 | Francisco A. Imaz Federal commission |  | 
| October 12, 1963 - June 28, 1966 | Anselmo Marini - UCR |  | 
| June 28, 1966 - July 5, 1966 | Jorge F. Von Stecher interventor Nacional |  | 
| July 5, 1966 - June 16, 1969 | Francisco A. Imaz (de facto) |  | 
| June 16, 1969 - June 10, 1970 | Saturnino Llorente (de facto) |  | 
| June 10, 1970 - September 8, 1971 | Horacio Rivara (de facto) |  | 
| September 8, 1971 - May 25, 1973 | Miguel Moragues (de facto) |  | 
| May 25, 1973 - January 24, 1974 | Oscar Bidegain - PJ |  | 
| January 24, 1974 - March 24, 1976 | Victorio Calabro - PJ |  | 
| March 24, 1976 - April 8, 1976 | Adolfo Sigwald (de facto) |  | 
| April 8, 1976 - March 29, 1981 | Ibérico Manuel Saint Jean (de facto) |  | 
| March 29, 1981 - January 14, 1982 | Oscar Gallino (de facto) |  | 
| January 14, 1982 - December 11, 1983 | Jorge Aguado (de facto) |  | 
| December 11, 1983 - December 11, 1987 | Alejandro Armendáriz - UCR |  | 
| December 11, 1987 - December 11, 1991 | Antonio Cafiero - PJ |  | 
| December 11, 1991 - December 10, 1999 | Eduardo Duhalde - PJ |  | 
| December 10, 1999 - January 2, 2002 | Carlos Federico Ruckauf - PJ (resigned) |  | 
| January 3, 2002 - December 10, 2007 | Felipe Solá - PJ |  | 
| December 10, 2007 - December 10, 2015 | Daniel Scioli - PJ |  | 
| Since December 10, 2015 | María Eugenia Vidal - Cambiemos |  |