The president of the Chamber of Most Worthy Peers was the presiding officer of the upper house of the Cortes Gerais, the legislature of the Kingdom of Portugal during most of the constitutional monarchy period. The upper house was named the Chamber of Senators 1838 – 1842.

Portrait Name TenureThe Chamber of Most Worthy Peers – Câmara dos Dignos Pares do Reino (1826 – 1828 / 1834 – 1836) Nuno Caetano Álvares Pereira de Melo, 6.º Duque de Cadaval 30 October 1826 – 14 March 1828 Pedro de Sousa Holstein, 1.º Duque de Palmela 14 August 1834 – 4 June 1836The Chamber of Senators – Câmara dos Senadores(1838 – 1842) Manuel Duarte Leitão 28 January 1839 – 1 May 1839 Pedro de Sousa Holstein, 1.º Duque de Palmela 2 May 1839 – 11 January 1840 Manuel Duarte Leitão 14 January 1840 – 14 February 1840Pedro de Sousa Holstein, 1.º Duque de Palmela 17 February 1840 – 25 February 1840 17 June 1840 – 1 January 1842The Chamber of Most Worthy Peers – Câmara dos Dignos Pares do Reino(1842 – 1910) Pedro de Sousa Holstein, 1.º Duque de Palmela 10 July 1842 – 12 October 1850 Guilherme Henriques de Carvalho 2 January 1851 – 15 November 1857 Francisco de Almeida Portugal, 2.º Conde do Lavradio 27 January 1857 – 1 February 1870 Nuno José Severo de Mendonça Rolim de Moura Barreto, 1.º duque de Loulé 18 October 1870 – 5 October 1872 António José de Ávila, 1º duque de Ávila e Bolama 18 October 1872 – 3 May 1881 António Maria de Fontes Pereira de Melo 30 May 1881 – 22 January 1887 João Crisóstomo de Abreu e Sousa 3 May 1887 – 20 January 1890 António Teles Pereira de Vasconcelos Pimentel 19 April 1890 – 24 September 1892 Augusto César Barjona de Freitas 3 October 1892 – 7 December 1893Luís Frederico de Bívar Gomes da Costa 1 October 1894 – 28 March 1895 2 January 1896 – 8 February 1897 José Maria Rodrigues de Carvalho 30 June 1897 – 1900Luís Frederico de Bívar Gomes da Costa 1900 – 4 June 1901 2 January 1902 – 20 April 1904 † Alberto António de Morais Carvalho Júnior 30 September 1904 – 24 December 1904 António Cândido Ribeiro da Costa 4 April 1905 – 1 January 1906Augusto José da Cunha 1 February 1906 – 9 February 1906 1 June 1906 – 5 June 1906 1 October – 27 February 1908 António de Azevedo Castelo Branco 29 April 1908 – 1 January 1909 Gonçalo Pereira da Silva de Sousa e Menezes, 3.º conde de Bertiandos 1 March 1909 – 27 June 1910

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