The Socialist Party of the Region of Murcia (Spanish: Partido Socialista de la Región de Murcia, PSRM–PSOE) is the regional branch in the Region of Murcia of the Spanish Socialist Workers' Party (PSOE), main centre-left party in Spain since the 1970s. Until 1987, it was the Murcian Socialist Federation (Spanish: Federación Socialista Murciana).