| Presidents of the Senate | Took office | Left office |
| Juan José Flores | January 1837 | April 1837 |
| José Fernández Salvador López, Diego Noboa y Arteta, Pedro José de Arteta | January 1839 | April 1839 |
| José Félix Valdivieso y Valdivieso | January 1841 | March 1841 |
| Vicente Rocafuerte, Ángel Tola y Salcedo | September 1846 | November 1846 |
| Antonio Elizalde Lamar | September 1847 | November 1847 |
| Diego Noboa y Arteta | September 1848 | November 1848 |
| José Fernández Salvador López | November 1848 | November 1848 |
| Modesto Larrea y Carrión | September 1849 | November 1849 |
| Manuel Bustamante del Mazo | August 1853 | December 1853 |
| Manuel Gómez de la Torre y Gangotena | September 1854 | December 1854 |
| Manuel Bustamante del Mazo | September 1855 | November 1855 |
| Vidal Alvarado Espinosa | September 1856 | November 1856 |
| Manuel Bustamante del Mazo | September 1857 | November 1858 |
| Manuel Gómez de la Torre y Gangotena | August 1863 | October 1863 |
| Juan Aguirre Montúfar | March 1864 | April 1864 |
| Nicolás Espinosa Rivadeneira | September 1865 | November 1865 |
| Pedro Carbo y Noboa | August 1867 | November 1867 |
| Manuel Angulo y Martínez de la Vega | January 1868 | January 1868 |
| José María de Santistevan y Plaza | August 1871 | October 1871 |
| Roberto de Ascásubi y Matheu | August 1873 | October 1873 |
| Rafael Pólit | August 1875 | October 1875 |
| Julio Sáenz Salvador | October 1875 | December 1875 |
| Leopoldo Fernández Salvador y Valdivieso | August 1880 | November 1880 |
| Luis Cordero Crespo | June 1885 | August 1885 |
| Juan León Mera | June 1886 | August 1886 |
| Camilo Ponce Ortiz | June 1887 | August 1887 |
| Agustín Guerrero Lizarzaburu, Camilo Ponce Ortiz | June 1888 | August 1888 |
| Agustín Guerrero Lizarzaburu | August 1888 | September 1888 |
| Pedro lgnacio Lizarzaburu y Borja | May 1890 | August 1890 |
| Vicente Lucio Salazar | June 1892 | September 1892 |
| Elías Lasso Acosta | June 1894 | August 1894 |
| Carlos Matheus Pacheco | August 1894 | August 1894 |
| Manuel Ángel Larrea Donoso | August 1898 | November 1898 |
| Luis Adriano Dillon Reyna | July 1899 | October 1899 |
| Manuel Benigno Cueva Betancourt | August 1900 | October 1901 |
| Aurelio Noboa Baquerizo | August 1902 | October 1903 |
| Carlos Freile Zaldumbide | August 1904 | October 1904 |
| José Luis Tamayo | August 1905 | October 1905 |
| Abelardo Moncayo Jijón | August 1908 | October 1908 |
| Genaro Larrea Vela | October 1908 | November 1908 |
| Bartolomé Huerta Gómez de Urrea | August 1909 | November 1909 |
| Lino Cardenas Proaño | June 1910 | July 1910 |
| Carlos Freile Zaldumbide | August 1910 | October 1911 |
| Alfredo Baquerizo Moreno | August 1912 | October 1915 |
| Miguel E. Seminario Marticorena | August 1916 | October 1917 |
| Gonzalo Córdova | August 1918 | October 1918 |
| Julio Burbano Aguirre | August 1919 | October 1919 |
| José Julián Andrade Bastidas | August 1920 | October 1922 |
| Alberto Guerrero Martínez | August 1923 | October 1924 |
| Alfredo Baquerizo Moreno | August 1930 | December 1930 |
| Alberto Acosta Soberón | August 1931 | December 1931 |
| Alberto Guerrero Martínez | August 1932 | December 1932 |
| José Rafael Bustamante | December 1932 | December 1932 |
| José Vicente Trujillo | August 1933 | November 1934 |
| Enrique Baquerizo Moreno | November 1934 | December 1934 |
| Carlos Alberto Arroyo del Río | August 1935 | September 1935 |
| Carlos Alberto Arroyo del Río | February 1939 | August 1940 |
| Julio Enrique Moreno | August 1940 | February 1942 |
| Miguel Ángel Albornoz Tabares | August 1942 | October 1943 |
| Manuel Agustín Aguirre Ríos | December 1945 | December 1945 |
| José Rafael Bustamante | September 1947 | September 1947 |
| Manuel Sotomayor | August 1948 | October 1949 |
| Abel Gilbert | August 1950 | November 1951 |
| Alfredo Chiriboga | August 1952 | November 1955 |
| Francisco Illingworth | August 1956 | November 1959 |
| Carlos Julio Arosemena Monroy | August 1960 | November 1961 |
| Reinaldo Varea | November 1961 | November 1962 |
| Gonzalo Cordero Crespo | November 1967 | December 1967 |
| Juan lllingworth Baquerizo | August 1968 | May 1970 |
| Presidents of the Chamber of Deputies | Took office | Left office |
| José María Santistevan | January 1837 | April 1837 |
| Vicente Flor Eguez, Juan Manuel Benítez, Antonio Bustamante, Atanasio Carrión | January 1839 | April 1839 |
| José Pío de Escudero | January 1841 | March 1841 |
| Roberto de Ascásubi | September 1846 | November 1846 |
| Manuel Gómez de la Torre | September 1847 | November 1847 |
| José Manuel Jijón | September 1848 | November 1848 |
| Antonio Mata Martínez | November 1848 | November 1848 |
| José María Urvina | September 1849 | November 1849 |
| Nicolás Espinosa | August 1853 | December 1853 |
| Vicente Flor | September 1854 | December 1854 |
| Juan Bautista Vásquez | September 1855 | November 1855 |
| Pablo Herrera González | September 1856 | November 1856 |
| Pablo Guevara | September 1857 | November 1857 |
| Pablo Bustamante | September 1858 | November 1858 |
| Juan Bautista Vásquez | August 1863 | October 1863 |
| Elías Lasso | March 1864 | April 1864 |
| Francisco León Franco | September 1865 | November 1865 |
| Camilo Ponce Ortiz | August 1867 | November 1867 |
| Antonio Portilla | January 1868 | January 1868 |
| Francisco Arboleda | August 1871 | October 1871 |
| Vicente Lucio Salazar | August 1873 | October 1873 |
| Pablo Bustamante | August 1875 | December 1875 |
| Juan Ignacio Moreno, Napoleón Aguirre | August 1880 | November 1880 |
| Juan Bautista Vásquez | June 1885 | August 1885 |
| Julio Castro | June 1886 | August 1886 |
| Aparicio Rivadeneira | June 1887 | August 1887 |
| Remigio Crespo Toral | June 1888 | August 1888 |
| Federico Rivera | August 1888 | September 1888 |
| Carlos Matheus | May 1890 | August 1890 |
| Santiago Carrasco | June 1892 | September 1892 |
| Carlos Casares | June 1894 | August 1894 |
| José Luis Tamayo | August 1898 | November 1898 |
| Carlos Freile Zaldumbide | July 1899 | October 1899 |
| José Luis Tamayo | October 1899 | October 1899 |
| Leónidas Plaza | August 1900 | October 1900 |
| Abelardo Posso | October 1901 | October 1901 |
| José Julián Andrade, Miguel Ángel Carbo | August 1902 | October 1903 |
| Modesto Peñaherrera | August 1904 | October 1905 |
| Abelardo Montalvo | August 1908 | August 1911 |
| Francisco Andrade Marín | October 1911 | October 1911 |
| Julio Enrique Fernández | August 1912 | October 1912 |
| Manuel E. Escudero, Luis Antonio Pallares | August 1913 | October 1913 |
| Agustín Cabezas | August 1914 | October 1914 |
| Manuel Cabeza de Vaca | August 1915 | October 1915 |
| Miguel Ángel Albornoz | August 1916 | October 1917 |
| Manuel María Sánchez | August 1918 | October 1918 |
| Pacífico Villagómez | August 1919 | October 1919 |
| Luis Vernaza, Juan de Dios Martínez | August 1920 | October 1921 |
| Carlos Alberto Arroyo del Río | August 1922 | October 1923 |
| Ricardo Villavicencio Ponce | August 1924 | October 1924 |
| Manuel A. Navarro | August 1930 | December 1931 |
| José María Velasco Ibarra | August 1932 | December 1932 |
| Fausto Navarro Allende | December 1932 | December 1932 |
| Guillermo Ramos | August 1933 | September 1935 |
| Andrés Córdova | February 1939 | August 1940 |
| José Ramón Boloña | August 1940 | February 1942 |
| Alfredo Sevilla | August 1942 | October 1942 |
| Teodoro Maldonado Carbo | August 1943 | October 1943 |
| Manuel Elicio Flor Torres | December 1945 | December 1945 |
| Carlos Andrade Marín Malo | September 1947 | October 1948 |
| Augusto Alvarado Olea | August 1949 | November 1949 |
| Ruperto Alarcón Falconí | August 1950 | November 1950 |
| Daniel Córdova Toral | August 1951 | November 1951 |
| Carlos Julio Arosemena Monroy, Rafael Arízaga Vega | August 1952 | November 1952 |
| José Baquero de la Calle | August 1953 | February 1954 |
| Gonzalo Cordero Crespo | August 1954 | November 1954 |
| Manuel Jijón Caamaño y Flores | August 1955 | November 1956 |
| Otto Arosemena Gómez | August 1957 | November 1958 |
| Manuel Jijón Caamaño y Flores | August 1959 | November 1959 |
| Manuel Araujo Hidalgo, Nicolás Valdano Raffo | August 1960 | November 1961 |
| Aurelio Dávila Cajas | November 1961 | December 1961 |
| Jaime Acosta Velasco | August 1962 | November 1962 |
| Julio Estupiñan Tello | November 1967 | December 1967 |
| Raúl Clemente Huerta Rendón | August 1968 | May 1970 |
| Presidents of the National Congress | Party | Took office | Left office |
| Assad Bucaram | Concentration of People's Forces | August 1979 | August 1980 |
| Raúl Baca Carbo | Democratic Left | August 1980 | August 1982 |
| Rodolfo Baquerizo | Concentration of People's Forces | August 1982 | August 1983 |
| PCD | August 1983 | August 1984 |
| Raúl Baca Carbo | Democratic Left | August 1984 | August 1985 |
| Averroes Bucaram | Concentration of People's Forces | August 1985 | August 1986 |
| Andrés Vallejo | Democratic Left | August 1986 | August 1987 |
| Jorge Zavala | Democratic Left | August 1987 | August 1988 |
| Wilfrido Lucero | Christian Democratic Union | August 1988 | August 1990 |
| Averroes Bucaram | Concentration of People's Forces | August 1990 | October 1990 |
| Edelberto Bonilla | Ecuadorian Radical Liberal Party | October 1990 | August 1991 |
| Fabián Alarcón | Alfarista Radical Front | 1991 | 1992 |
| Carlos Vallejo López | Christian Democratic Union | August 1992 | August 1993 |
| Samuel Bellettini | Ecuadorian Radical Liberal Party | August 1993 | August 1994 |
| Heinz Moeller | Social Christian Party | August 1994 | August 1995 |
| Fabián Alarcón | Alfarista Radical Front | August 1995 | February 1997 |
| Heinz Moeller | Social Christian Party | February 1997 | August 1998 |
| Juan José Pons | Christian Democratic Union | August 1998 | August 2000 |
| Susana González Muñoz | Independent | August 2000 | August 2000 |
| Hugo Quevedo | Social Christian Party | August 2000 | June 2001 |
| José Cordero | Christian Democratic Union | June 2001 | January 2003 |
| Guillermo Landázuri | Democratic Left | January 2003 | January 2005 |
| Omar Quintana | Roldosist Party | January 2005 | April 2005 |
| Wilfrido Lucero | Democratic Left | April 2005 | January 2007 |
| Jorge Cevallos Macías | Institutional Renewal Party of National Action | January 2007 | November 2007 |
