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 the People's Party has been present in some governments and the Portuguese Communist Party in coalition with The Greens holds the presidency of several municipalities.
The parties, as of 2015, represented in the Assembly of the Republic are the Social Democratic Party (89 MPs), the Socialist Party (86 MPs), the Left Bloc (19 MPs), the People's Party (18 MPs), the Communist Party (15 MPs), the Green Party (2 MPs) and the People-Animals-Nature (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.
This list presents all the existing parties recognized by the Portuguese Constitutional Court.
This list presents all the parties that were once recognized by the Portuguese Constitutional Court but ceased to exist.
Worker-Peasant Alliance - AOC (Aliança Operário-Camponesa)
Communist Electoral Front (marxist-leninist) - FEC(ML) (Frente Eleitoral Comunista)
Internationalist Communist League - LCI (Liga Comunista Internacionalista)
Movement for the Unity of the Workers - MUT Movimento para a Unidade dos Trabalhadores
Portuguese Marxist-Leninist Communist Organization - OCMLP (Organização Comunista Marxista Leninista Portuguesa)
Communist Party of Portugal (Marxist-Leninist) - PCP(ML) (Partido Comunista Português (Marxista Leninista))
Communist Party (Reconstructed) - PC(R) (Partido Comunista Reconstruído)
Popular Unity Party - PUP (Partido de Unidade Popular)
Workers Revolutionary Party - PRT (Partido Revolucionário dos Trabalhadores)
People's Unity Force - FUP (Força de Unidade Popular)
People's Socialist Front - FSP (Frente Socialista Popular)
Groups for the Dinamization of the People's Unity - GDUPs (Grupos Dinamizadores da Unidade Popular)
Socialist League of the Workers - LST (Liga Socialista dos Trabalhadores)
Movement of Socialist Left - MES (Movimento de Esquerda Socialista)
Portuguese Democratic Movement - MDP (Movimento Democrático Português)
Left-wing Union for the Socialist Democracy - UEDS (União da Esquerda para a Democracia Socialista)
Independent Social Democratic Association - ASDI (Acção Social Democrata Independente)
Democratic Renewal Party - PRD (Partido Renovador Democrático)
Labour Party - PT (Partido Trabalhista)
Humanist Party - PH (Partido Humanista)
Hope for Portugal Movement - MEP (Movimento Esperança Portugal)
National Solidarity Party - PSN (Partido da Solidariedade Nacional)
New Democracy Party – PND (Partido da Nova Democracia)
Portuguese Party of the Regions - PPR (Partido Português das Regiões)
Independent Movement for National Reconstruction - MIRN (Movimento Independente para a Reconstrução Nacional)
Party of the Christian Democracy - PDC (Partido da Democracia Cristã)
National Syndicalists - MNS (Movimento Nacional-Sindicalista)
