| 1834 | Constitutional Monarchy | 1834 - 1911 |
| 1834 | Pedro de Sousa Holstein (Marquês and Conde de Palmela) - ("Chamorro" Party) | 1834-1835 |
| 1835 | Vitória Maria Francisco de Sousa Coutinho Teixeira de Andrade Barbosa (Conde de Linhares) - ("Chamorro" Party) | 1835 |
| 1835 | João Carlos Gregório Domingos Vicente Francisco de Saldanha Oliveira e Daun (Marquês de Saldanha) - Independent) | 1835 |
| 1835 | José Jorge Loureiro - (Independent) | 1835-1836 |
| 1836 | António José de Sousa Manoel de Menezes Severim de Noronha (Duque de Terceira) - ("Chamorro") | 1836 |
| 1836 | José Manuel da Cunha Faro Menezes Portugal da Gama Carneiro e Sousa (Conde de Lumiares) - ("Septemberist" Party) | 1836 |
| 1836 | José Bernardino de Portugal e Castro (Conde de Vimioso) - (Independent) | 1836 |
| 1837 | Bernardo de Sá Nogueira de Figueiredo (Visconde de Sá da Bandeira) - (Septemberist" Party) | 1836-1837 |
| 1837 | António Dias de Oliveira - ("Septemberist" Party) | 1937 |
| 1837 | Bernardo de Sá Nogueira de Figueiredo (Visconde de Sá da Bandeira) - ("Septemberist" Party) | 1837-1839 |
| 1839 | Rodrigo Pinto Pizarro de Almeida Caarvalhais (Barão da Ribeira de Sabrosa) - ("Septemberist" Party) | 1839 |
| 1839 | José Lúcio Travessos Valdez (Conde de Bonfim) - ("Septemberist" Party) | 1839 - 1841 |
| 1841 | Joaquim António de Aguiar - ("Septemberist" Party) | 1841- 1842 |
| 1842 | Pedro de Sousa Holstein (Marquês de Palmela) - (Independent) | 1842 |
| 1842 | António José de Sousa Manoel de Menezes Severim de Noronha (Duque da Terceira) - ("Chartist" Party) | 1842-1846 |
| 1846 | Pedro de Sousa Holstein (Marquês de Palmela) - ("Chartist" Party) | 1846 |
| 1846 | João Carlos Gregório Domingos Vicente Francisco de Saldanha Oliveira e Daun (Duque de Saldanha) - ("Chartist" Party) | 1846-1849 |
| 1849 | António Bernardo da Costa Cabral (Conde de Tomar) - ("Chartist" Party) | 1849 - 1851 |
| 1851 | António José de Sousa Manoel de Menezes Severim de Noronha (Duque da Terceira) - ("Regenerator" Party) | 1851 |
| 1851 | João Carlos Gregório Domingos Vicente Francisco de Saldanha Oliveira e Daun (Duque de Saldanha) - ("Regenerator" Party) | 1851-1856 |
| 1856 | Nuno José Severo de Mendonça Rolim de de Moura Barreto (Marquês de Loulé) - ("Historic" Party) | 1856-1859 |
| 1859 | António José de Sousa Manoel de Menezes Severim de Noronha (Duque da Terceira) - ("Regenerator" Party) | 1859-1860 |
| 1860 | Joaquim António de Aguiar - ("Regenerator" Party) | 1860 |
| 1860 | Nuno José Severo de Mendonça Rolim de de Moura Barreto (Marquês de Loulé) - ("Historic" Party) | 1860-1865 |
| 1865 | Bernardo de Sá Nogueira de Figueiredo (Marquês de Sá da Bandeira) - (Reformist Party) | 1865 |
| 1865 | Joaquim António de Aguiar - ("Regenerator" Party) | 1865-1868 |
| 1868 | António José de Ávila (Conde de Ávila) - (Independent) | 1868 |
| 1868 | Bernardo de Sá Nogueira de Figueiredo (Marquês de Sá da Bandeira) - (Reformist Party) | 1868-1869 |
| 1869 | Nuno José Severo de Mendonça Rolim de Moura Barreto (Duque de Loulé) - ("Historic" Party) | 1869-1870 |
| 1870 | João Carlos Gregório Domingos Vicente Francisco de Saldanha Oliveira e Daun (Duque de Saldanha) - ("Regenerator" Party) | 1870 |
| 1870 | Bernardo de Sá Nogueira de Figueiredo (Marquês de Sá da Bandeira) - (Reformist Party) | 1870 |
| 1870 | António José de Ávila (Conde de Ávila) - (Reformist Party) | 1870-1871 |
| 1871 | António Maria de Fontes Pereira de Melo - ("Regenerator" Party) | 1871-1877 |
| 1877 | António José de Ávila (Conde de Ávila) - (Reformist Party) | 1877-1878 |
| 1878 | António Maria de Fontes Pereira de Melo - ("Regenerator" Party) | 1878-1879 |
| 1879 | Anselmo José Braamcamp de Almeida Castelo Branco - ("Progressista" Party) | 1879-1881 |
| 1881 | António Rodrigues Sampaio - ("Regenerator" Party) | 1881 |
| 1881 | António Pereira de Melo - ("Regenerator" Party) | 1881-1886 |
| 1886 | José Luciano de Castro Pereira Côrte-Real - ("Progressista" Party) | 1886-1890 |
| 1890 | António de Serpa Pimentel - ("Regenerator" Party) | 1890 |
| 1890 | Josés Crisóstomo de Abreu e Sousa - (Independent) | 1890-1892 |
| 1892 | José Dias Ferreira - (Independent) | 1892-1893 |
| 1893 | Ernesto Rudolfo Intze Ribeiro - ("Regenerator" Party) | 1893-1897 |
| 1897 | José Luciano de Castro Pereira Côrte-Real - ("Progressista" Party) | 1897-1900 |
| 1900 | -- | -- |
| 1900 | Ernesto Rudolfo Intze Ribeiro - ("Regenerator" Party) | 1900-1904 |
| 1904 | José Luciano de Castro Pereira Côrte-Real - ("Progressista" Party) | 1904-1906 |
| 1906 | Ernesto Rudolfo Intze Ribeiro - ("Regenerator" Party) | 1906 |
| 1906 | João Ferreira Franco Pinto Castelo-Branco - ("Regenerator" Party) | 1906-1908 |
| 1908 | Francisco Joaquim Ferreira de Amaral - (Independent) | 1908 |
| 1908 | Artur Alberto de Campos Henriques - (Independent) | 1908-1909 |
| 1909 | Sebastião Custódio de Sousa Teles - (Independent) | 1909 |
| 1909 | Wenscelau de Sousa Pereira de Lima - (Independent) | 1909 |
| 1909 | Francisco Teixeira de Veiga Beirã - ("Regenerator" Party) | 1909-1910 |
| 1910 | António Teixeira de Sousa - ("Regenerator" Party) | 1910 |
| 1911 | Republican Period | 1911 - 1917 |
| 1911 | Joaquim Teófilo Fernandes Braga (Republic Party) | 1911 |
| 1911 | João Pinheiro Chagas (Republic Party) | 1911 |
| 1911 | Augusto César de Almeida Vasconcelos Correia (Republican Party) | 1911 - 1912 |
| 1912 | Duarte Leite Pereira da Silva (Republican Party) | 1912 - 1913 |
| 1913 | Afonso Augusto da Costa (Democratic Party) | 1913 - 1914 |
| 1914 | Bernardino Luís Machado Guimarães (Democratic Party) | 1914 |
| 1914 | Víctor Hugo de Azevedo Coutinho (Democratic Party) | 1914 - 1915 |
| 1915 | Joaquim Pereira Pimenta de Castro (Independent) | 1915 |
| 1915 | Constitutional Junta | 1915 |
| 1915 | José Ribeiro de Castro (Democratic Party) | 1915 |
| 1915 | Afonso Augusto da Costa (Democratic Party) | 1915 - 1916 |
| 1916 | António José de Almeida (Republican Party) | 1916 - 1917 |
| 1917 | Afonso Augusto da Costa (Democratic Party) | 1917 |
| 1917 | Military Administration | 1917 |
| 1917 | Sidónio Bernardino da Silva Pais - (National Republican) | 1917 |
| 1918 | João do Canto e Castro Silva Antunes Júnior - (National Republican) | 1918 |
| 1918 | Republican Period | 1918 - 1926 |
| 1918 | João Tamagnini de Sousa Barbosa - (National Republican) | 1918 - 1919 |
| 1919 | José Carlos de Mascarenhas Relvas - (Independent) | 1919 |
| 1919 | Domingos Leite Pereira - (Independent) | 1919 |
| 1919 | Alfredo de Sá Cardoso - (Democratic Party) | 1919 - 1920 |
| 1920 | Domingos Leite Pereira - (Independant) | 1920 |
| 1920 | António Maria Baptista - (Democratic Party) | 1920 |
| 1920 | José Ramos Preto - (Democratic Party) | 1920 |
| 1920 | António Maria da Silva - (Democratic Party) | 1920 |
| 1920 | António Joaquim Granjo - (Liberal Republican Party) | 1920 |
| 1920 | Álvaro Xavier de Castro - (National Reconstitution Republican Party) | 1920 |
| 1920 | Liberato Damião Pinto - (Democratic Party) | 1920 - 1921 |
| 1921 | Bernardino Luís Machado Guimarães - (Democratic Party) | 1921 |
| 1921 | Tomé José de Barros Queirós - (Liberal Republican Party) | 1921 |
| 1921 | António Joaquim Granjo - (Liberal Republican Party) | 1921 |
| 1921 | António Manuel Maria Coelho - (Independent) | 1921 |
| 1921 | Carlos Henrique da Silva Maia Pinto - (Independent) | 1921 |
| 1921 | Francisco Pinto da Cunha Leal - (Independent) | 1921 - 1922 |
| 1922 | António Maria da Silva - (Democratic Party) | 1922 - 1923 |
| 1923 | António Ginestal Machado - (National Republican Party) | 1923 |
| 1923 | Álvaro Xavier de Castro - (National Republican Party) | 1923 - 1924 |
| 1924 | Alfredo Rodrigues Gaspar - (Democratic Party) | 1924 |
| 1924 | José Domingos dos Santos - (Democratic Republican Party) | 1924 - 1925 |
| 1925 | Vitorino Máximo de Cavalho Guimarães - (Independent) | 1925 |
| 1925 | António Maria da Silva - (Democratic Party) | 1925 |
| 1925 | Domingos Leite Pereira - (Democratic Party) | 1925 |
| 1926 | António Maria da Silva - (Democratic Party) | 1925 - 1926 |
| 1926 | Military Administration | 1926 - 1932 |
| 1926 | João Mendes Cabeçadas Junior | 1926 |
| 1926 | Manuel Gomes da Costa | 1926 |
| 1926 | António Óscar de Fragoso Carmona | 1926 - 1928 |
| 1928 | José Vicente de Freitas | 1928 - 1929 |
| 1929 | Artur Ivens Ferraz | 1929 - 1930 |
| 1930 | Domingos da Costa e Oliveira | 1930 - 1932 |
| 1932 | "Estado Novo" Administration | 1932 - 1974 |
| 1932 | António de Oliveira Salazar - (National Union Party) | 1932 - 1968 |
| 1968 | Marcelo das Neves Alves Caetano - (National Union Party) | 1968 - 1974 |
| 1974 | Military Administration | 1974 - 1975 |
| 1974 | Adelino da Palma Carlos - (Independent) | 1974 |
| 1974 | Vasco dos Santos Gonçalves - (Left-wing Independent) | 1974 - 1975 |
| 1975 | José Pinheiro de Azevedo - (Left-wing Independent) | 1975 |
| 1975 | José Pinheiro de Azevedo - re-appointed - (Left-wing Independent) | 1975 - 1976 |
| 1976 | Democratic Voting Re-introduced | 1976 -- |
| 1976 | Mário Alberto Nobre Lopes Soares - (Socialist Party) | 1976 - 1978 |
| 1978 | Alfredo Nobre da Costa - (Independent) | 1978 |
| 1978 | Carlos Alberto de Mota Pinto - (Social Democratic Party) | 1978 - 1979 |
| 1979 | Maria de Lurdes Pintassilgo - (Left-wing Independent)) | 1979 |
| 1980 | Francisco Manuel de Sá Carneiro (Popular Party) | 1980 |
| 1980 | Diogo Pinto Freitas do Amaral - (Popular Party) | 1980 - 1981 |
| 1981 | Francisco Pinto Balsemão - (Social Democratic Party) | 1981 - 1983 |
| 1983 | Mário Alberto Nobre Lopes Soares - (Socialist Party) | 1983 - 1985 |
| 1985 | Aníbal António Cavaco Silva - (Social Democratic Party) | 1985 - 1987 |
| 1987 | Aníbal António Cavaco Silva - (Social Democratic Party) | 1987 - 1991 |
| 1991 | Aníbal António Cavaco Silva - (Social Democratic Party) | 1991 - 1995 |
| 1995 | António Manuel de Oliveira Guterres - (Socialist Party) | 1995 - 1999 |
| 1999 | António Manuel de Oliveira Guterres - (Socialist Party) | 1999 - 2002 |
| 2000 | -- | -- |
| 2002 | José Manuel Durão Barroso - (Social Democratic Party) | 2002 - 2005 |
| 2005 | Pedro de Santana Lopes - (Social Democratic Party) | 2005 |
| 2005 | José Sócrates Carvalho Pinto de Sousa - (Socialist Party) | 2005 - |