Spanish Socialist Workers' Party of Andalusia

The Spanish Socialist Workers' Party of Andalusia (Spanish: Partido Socialista Obrero Español de Andalucía, PSOE–A) is the Andalusian branch of the Spanish Socialist Workers' Party, as well as the largest and most important federation within the PSOE.

Formerly known as the Andalusian Socialist Federation (FSA), it was founded in 1977. The party has been the ruling party of Andalusia uninterruptedly since 1978, having won all regional elections except for the 2012 election, after which it nonetheless was able to maintain the regional government through a coalition with United Left.