This article lists political parties in Portugal. The Portuguese political scene has been dominated by the Socialist Party and the Social Democratic Party since the 1974 Carnation Revolution although there are several important minor parties (discussed below). As of 2024, the parties represented in the Assembly of the Republic are the Democratic Alliance (80 MPs), Socialist Party (78 MPs), the Chega party (50 MPs), the Liberal Initiative (8 MPs), the Left Bloc (5 MPs), the Unitary Democratic Coalition (4 MPs), the FREE party (4 MPs), and the People-Animals-Nature party (1 MP). Several other parties are represented in the legislatures of the autonomous regions, the Legislative Assembly of the Azores and the Legislative Assembly of Madeira.

General overview

This list presents all the existing parties recognized by the Portuguese Constitutional Court.

National political parties

Parties represented in the Assembly of the Republic and/or the European Parliament

Parties without representation in the Assembly of the Republic or the European Parliament

Extinct parties

This list presents the parties and coalitions of the current Third Republic that were once recognized by the Portuguese Constitutional Court but ceased to exist. It is organized by political spectrum and alphabetical order (in Portuguese).

Far-left

Left-wing to far-left

Left-wing

Centre-left

Centre

Centre-right

Right-wing

Far-right

Historical parties

This list includes the defunct political parties that never reached the Third Republic, in chronological order.

Constitutional Monarchy (1834–1910)

First Republic (1910–1926)

Ditadura Nacional (1926–1933)

Estado Novo (1933–1974)

Although the Estado Novo was a dictatorship, with the National Union being legally the only party, the opposition was sometimes allowed to compete in (sham) elections; other parties were constituted underground or in exile.