Events in the year 1923 in Portugal.
Incumbents
President: António José de Almeida (until 5 October); Manuel Teixeira Gomes (starting 5 October) Prime Minister: António Maria da Silva (until 15 November); António Ginestal Machado (15 November–18 December); Álvaro de Castro (starting 18 December)
Events
Disestablishment of the Reconstitution Party, the Republican Liberal Party and the National Republican Party.
Arts and entertainment
Sports
Amarante FC founded
S.C. Covilhã founded
Louletano D.C. founded
A.C. Marinhense founded
Births
19 January – Eugénio de Andrade, poet (d. 2005) 15 July – Francisco de Andrade, sailor and Olympic medalist. 10 September – Alfredo Nobre da Costa, engineer and politician (died 1996) 16 September – Fernando Lanhas, painter (died 2012)
Deaths
11 August – Francisco Joaquim Ferreira do Amaral, naval commander and politician (b. 1843).