The Catalan Socialist Party (Partit dels Socialistes de Catalunya, PSC) is a political party in Catalonia, Spain. Founded in 1978, it is affiliated with the Spanish Socialist Workers' Party (PSOE) and promotes social democracy and progressive policies. The PSC aims to represent the interests of Catalans while advocating for social justice, economic development, and equality. The party has played a significant role in Catalan politics, often participating in regional and national elections. It seeks to balance the aspirations for Catalan autonomy with the need for cooperation within the broader Spanish state. The PSC has been part of various governing coalitions in Catalonia.