The Governors of San Juan Province, Argentina since Argentina became independent have been the following
| Term | Governor | Portrait | |
|---|---|---|---|
| April 1812 January 1812 | Saturnino Sarassa (primer Lieutenant governor, Intendencia de Cuyo) | ||
| 1812 1812 | Manuel Corvalán (Lieutenant governor) | ||
| 1 January 1812 9 January 1822 | José Ignacio de la Roza |
| Term | Governor | Portrait | |
|---|---|---|---|
| 1 March 1822 21 March 1822 | Mariano Mendizábal (1er governor de autónomo) | ||
| 21 March 1822 24 March 1822 | Francisco Solano del Corro | ||
| 24 March 1822 10 August 1822 | José Ignacio Maradona | ||
| 10 August 1822 January 1822 | José Antonio Sánchez | ||
| January 1822 10 January 1822 | José María Pérez de Urdininea | ||
| 10 January 1822 26 June 1822 | |||
| 27 June 1822 8 September 1822 | Plácido Fernández Maradona | ||
| 9 September 1822 12 September 1822 | |||
| 13 September 1822 12 March 1822 | |||
| 12 March 1822 17 January 1822 | |||
| 17 January 1822 30 November 1822 | |||
| 30 November 1822 6 April 1832 | |||
| 6 April 1832 17 December 1832 | |||
| 17 December 1832 3 April 1832 | |||
| 3 April 1832 29 April 1832 | |||
| 29 April 1832 4 May 1832 | |||
| 4 May 1832 9 January 1832 | |||
| 9 January 1832 26 February 1832 | |||
| 26 February 1832 13 August 1841 | Nazario Benavídez[1] | ||
| 14 August 1841 22 August 1841 | Mariano Acha | ||
| 22 August 1841 8 October 1841 | José Manuel Quiroga Sarmiento[2] | ||
| 8 October 1841 29 May 1852 | Nazario Benavídez | ||
| 29 May 1852 8 August 1852 | Zacarías Yanzi | ||
| 8 August 1852 11 January 1852 | Nazario Benavídez | ||
| 11 January 1852 18 March 1852 | Francisco Díaz | ||
| 18 March 1852 April 1852 | Nazario Benavídez | ||
| April 1852 8 September 1852 | Nicanor Molinas (Intervención federal) | ||
| 8 September 1852 28 December 1852 | Manuel José Gómez Rufino | ||
| 28 December 1852 24 January 1852 | Galán, García, Derqui (Intervención federal) | ||
| 24 January 1852 15 November 1862 | José Antonio Virasoro | ||
| 16 November 1862 29 December 1862 | Francisco Coll | ||
| 29 December 1862 7 December 1862 | Antonino Aberastain | ||
| 11 January 1862 19 February 1862 | Juan Saá (Intervención federal) | ||
| 19 February 1862 1 March 1862 | Filomeno Valenzuela | ||
| 1 March 1862 3 January 1862 | Francisco Díaz | ||
| 3 January 1862 9 April 1862 | Domingo Faustino Sarmiento | ||
| 9 April 1862 13 June 1862 | Santiago Lloveras | ||
| 13 June 1862 24 July 1862 | Saturnino de la Presilla | ||
| 24 July 1862 9 October 1862 | José Manuel Zavalla | ||
| 9 October 1862 5 January 1862 | Camilo Rojo | ||
| 5 January 1862 6 April 1862 | Juan de Dios Videla | ||
| 6 April 1862 23 August 1862 | Camilo Rojo | ||
| 23 August 1862 6 October 1862 | Santiago Lloveras | ||
| 6 October 1862 28 March 1862 | José Manuel Zavalla | ||
| 28 March 1862 4 August 1862 | Ruperto Godoy | ||
| 4 August 1862 16 May 1872 | José María del Carril | ||
| 16 May 1872 13 December 1872 | Valentín Videla | ||
| 13 December 1872 21 January 1872 | Benjamín Bates | ||
| 21 January 1872 19 February 1872 | Faustino Espínola | ||
| 19 February 1872 18 May 1872 | Uladislao Frías | ||
| 18 May 1872 5 November 1872 | Manuel José Gómez Rufino | ||
| 5 November 1872 8 December 1872 | Sandalio Echeverría | ||
| 8 December 1872 12 May 1872 | Hermógenes Ruiz |
| Term | Governor | Portrait | |
|---|---|---|---|
| 12 May 1872 12 May 1872 | Rosauro Doncel | ||
| 12 May 1872 28 January 1882 | Agustín Gómez | ||
| 28 January 1882 12 May 1882 | Manuel María Moreno | ||
| 12 May 1882 12 May 1882 | Anacleto Gil | ||
| 12 May 1882 12 May 1882 | Carlos Doncel | ||
| 12 May 1882 1882 | Federico Moreno | ||
| 1882 12 May 1892 | Manuel José García | ||
| 12 May 1892 12 May 1892 | Alejandro Albarracín | ||
| 12 May 1892 12 May 1892 | Domingo Morón | ||
| 12 May 1892 12 May 1892 | Carlos Doncel | ||
| 12 May 1892 12 May 1902 | Abraham Vidart | ||
| 12 May 1902 12 May 1902 | Enrique Godoy | ||
| 12 May 1902 7 February 1902 | Manuel Godoy | ||
| 7 February 1902 8 February 1902 | Carlos Sarmiento Saturnino Oro Juan Luis Sarmiento | ||
| 8 February 1902 15 February 1902 | Ramón A. González | ||
| 15 February 1902 1 May 1902 | Cornelio Moyano Gacitúa | ||
| 1 May 1902 12 May 1902 | Manuel Gregorio Quiroga | ||
| 12 May 1902 12 May 1912 | Carlos Sarmiento | ||
| 12 May 1912 20 June 1912 | Ángel Dolores Rojas | ||
| 20 June 1912 12 May 1912 | Pedro A. Garro | ||
| 12 May 1912 24 November 1912 | Amador Izasa | ||
| 24 November 1912 9 July 1922 | Manuel Escobar (Unelected federal) | ||
| 9 July 1922 20 November 1922 | Amable Jones | ||
| 20 November 1922 1 March 1922 | Luis J. Colombo | ||
| 1 March 1922 9 December 1922 | Julio Bello | ||
| 9 December 1922 17 December 1922 | Marcial Izasa | ||
| 17 December 1922 18 de January 1922 | Manuel Carlés | ||
| 18 de January 1922 12 May 1922 | Aquiles Castro | ||
| 12 May 1922 8 August 1922 | Federico Cantoni | ||
| 8 August 1922 6 December 1922 | Eduardo Broquen (Unelected federal) | ||
| 6 December 1922 23 December 1922 | Aldo Cantoni | ||
| 23 December 1922 6 September 1932 | Modestino Pizarro (Unelected federal) |
| Term | Governor | Portrait | |
|---|---|---|---|
| 6 September 1932 8 September 1932 | Domingo Cuello (provisional) | ||
| 9 September 1932 21 September 1932 | José Ruda Vega (Military) | ||
| 22 September 1932 12 March 1932 | Marco Aurelio Avellaneda (provisional) | ||
| 13 March 1932 4 August 1932 | Celso Rojas | ||
| 2 August 1932 17 February 1932 | |||
| 18 February 1932 5 May 1932 | Sigifredo Bazán Smith (provisional) | ||
| 12 May 1932 22 February 1932 | |||
| 23 February 1932 22 August 1932 | Juan Jones (Military) | ||
| 23 August 1932 21 August 1932 | |||
| 22 August 1932 8 September 1932 | Juan Maurín (provisional) | ||
| 8 April 1932 8 October 1932 | Enrique Fliess (Unelected) | ||
| 9 October 1932 27 May 1932 | N. Costa Méndez (Unelected) | ||
| 28 May 1932 21 September 1942 | Evaristo Virasoro (Unelected) | ||
| 21 September 1942 5 November 1942 | Julio Raffo de la Reta (Unelected) | ||
| 6 November 1942 14 January 1942 | Epifanio Olmedo (provisional) | ||
| 15 January 1942 27 June 1942 | |||
| 28 June 1942 10 January 1942 | Jorge Godoy (Unelected federal) | ||
| 11 January 1942 30 January 1942 | David Uriburu (Unelected federal) | ||
| 31 January 1942 24 August 1942 | Humberto Molina (Unelected federal) | ||
| 25 August 1942 24 October 1942 | Juan Berreta (Unelected federal) | ||
| 25 October 1942 25 June 1942 | Emilio Cipolletti (Unelected federal) | ||
| 26 June 1942 12 February 1942 | Juan Alvarado | ||
| 13 February 1942 25 June 1952 | |||
| 26 June 1952 29 June 1952 | Ruperto Godoy (governor) | ||
| 30 June 1952 3 June 1952 | |||
| 4 June 1952 20 September 1952 | Rinaldo Viviani (governor) | ||
| 21 September 1952 7 October 1952 | Mario Fonseca (Unelected federal) | ||
| 8 October 1952 30 January 1952 | Juan Picca (Unelected) | ||
| 31 January 1952 16 February 1952 | Alberto Casas (Unelected federal) | ||
| 17 February 1952 16 June 1952 | Marino Carreras (Unelected federal) | ||
| 17 June 1952 30 June 1952 | Manuel Hermida (Unelected) | ||
| 1 July 1952 30 April 1952 | Edmundo Bernasconi (Unelected federal) |
| Term | Governor | Portrait | |
|---|---|---|---|
| 1 June 1952 25 April 1962 | Américo García | ||
| 26 April 1962 24 June 1962 | Fernando Méndez (Unelected federal) | ||
| 25 June 1962 8 June 1962 | Miguel Pedrozo (Unelected federal) | ||
| 9 June 1962 11 August 1962 | Pedro Avalía (de facto) | ||
| 12 August 1962 27 October 1962 | Leopoldo Bravo | ||
| 28 October 1962 26 July 1962 | A. Cordón Aguirre (de facto) | ||
| 27 July 1962 24 August 1962 | Edgardo Gómez (de facto) | ||
| 25 August 1962 5 February 1972 | José Augusto López (de facto) | ||
| 3 June 1972 3 June 1972 | Ruperto H. Godoy (de facto) | ||
| 4 June 1972 24 June 1972 | Carlos Centurión (de facto) | ||
| 25 June 1972 23 February 1972 | Eloy Camus | ||
| 24 February 1972 27 April 1972 | Carlos Tragant (de facto) | ||
| 28 April 1972 13 December 1972 | Alberto Lombardi (de facto) | ||
| 14 September 1972 3 April 1982 | Manuel Zamboni (de facto) | ||
| 4 April 1982 14 January 1982 | Daniel Rodriguez Castro (de facto) | ||
| 15 January 1982 6 December 1982 | Leopoldo Bravo (de facto) | ||
| 7 December 1982 | Eduardo Pósleman (de facto) |
| Term | Governor | Portrait | |
|---|---|---|---|
| 10 December 1982 6 December 1982 | Leopoldo Bravo | ||
| 7 December 1982 9 December 1982 | Jorge Ruiz Aguilar (on resignation of Leopoldo Bravo) | ||
| 10 December 1982 9 December 1992 | Carlos Gómez Centurión | ||
| 10 December 1992 17 December 1992 | Jorge Escobar | ||
| 18 December 1992 28 December 1992 | Juan Rojas (por destitución de Jorge Escobar) | ||
| 29 December 1992 9 December 1992 | |||
| 10 December 1992 9 December 1992 | Jorge Escobar (governor) | ||
| 10 December 1992 22 August 2002 | Alfredo Avelín | ||
| 23 August 2002 9 December 2002 | |||
| 10 December 2002 9 December 2002 | José Luis Gioja | ||
| 10 December 2002 9 December 2012 | José Luis Gioja | ||
| 10 December 2012 en cargo | José Luis Gioja |