Portugal

First Republic

• Chagas I
  (03/09/1911)
• Vasconcelos
  (12/11/1911)
• Leite I
  (16/06/1912)
• Costa I
  (09/01/1913)
• Machado Guimarães I
  (09/02/1914)
• Coutinho
  (12/12/1914)
• Pimenta de Castro(presidential)
  (25/01/1915)
• Chagas II (unsuccessful)
  (15/05/1915)
• Castro I (ad interim)
  (17/05/1915)
• Castro II
  (29/05/1915)
• Castro III
  (19/06/1915)
• Costa II
  (29/11/1915)
• Almeida (national unity)
  (15/03/1916)
• Costa III
  (25/04/1917)
• Matos I (ad interim)
  (07/10/1917)
• Costa IV
  (25/10/1917)
• Matos II (ad interim)
  (19/11/1917)
• Pais I (authoritarian)
  (11/12/1917)
• Pais II
  (15/05/1918)
• Tamagnini
  (23/12/1918)
• Relvas I (national unity)
  (27/01/1919)
• Relvas II (national unity)
  (25/02/1919)
• Pereira I (national unity)
  (30/03/1919)
• Sá Cardoso I
  (29/06/1919)
• Fernandes Costa (unsuccessful)
  (15/01/1920)
• Sá Cardoso II
  (15/01/1920)
• Pereira II
  (21/01/1920)
• Baptista
  (08/03/1920)
• Ramos Preto
  (06/06/1920)
• da Silva I
  (26/06/1920)
• Granjo I
  (19/07/1920)
• Granjo II
  (21/10/1920)
• de Castro I
  (20/11/1920)
• Liberato Pinto
  (20/11/1920)
• Machado Guimarães II
  (02/03/1921)
• Queirós I
  (23/05/1921)
• Queirós II
  (01/08/1921)
• de Granjo III
  (30/08/1921)
• Coelho (authoritarian)
  (19/10/1921)
• Maia Pinto (semi-authoritarian)
  (05/11/1921)
• Cunha Leal (national unity)
  (16/12/1921)
• da Silva II
  (06/02/1922)
• Ginestal Machado
  (15/11/1923)
• de Castro II
  (18/12/1923)
• Rodrigues Gaspar
  (06/07/1924)
• Domingues dos Santos
  (22/11/1924)
• Guimarães
  (15/02/1925)
• da Silva III
  (01/07/1925)
• Pereira III
  (01/08/1925)
• da Silva IV
  (17/12/1925)

Third Republic

• Soares I
  (23/07/1976)
• Soares II
  (30/01/1978)
• Nobre da Costa
  (29/08/1978)
• Mota Pinto
  (22/11/1978)
• Pintasilgo
  (01/08/1979)
• Sá Carneiro I
  (03/01/1980)
• Sá Carneiro II
  (06/10/1980)
• Freitas do Amaral (acting)
  (05/12/1980)
• Balsemão
  (09/01/1981)
• Soares III
  (09/06/1983)
• Cavaco Silva I
  (06/11/1985)
• Cavaco Silva II
  (17/08/1987)
• Cavaco Silva III
  (29/10/1991)
• Guterres I
  (26/10/1995)
• Guterres II
  (23/10/1999)
• Durão Barroso
  (04/04/2002)
• Santana Lopes
  (15/07/2004)
• Sócrates I
  (10/03/2005)
• Sócrates II
  (24/10/2009)
• Passos Coelho I
  (19/06/2011)
• Passos Coelho II (unsuccessful)
  (29/10/2015)
• Costa I
  (26/11/2015)
• Costa II
  (26/10/2019)
• Costa III
  (30/03/2022)