The Asturian Socialist Federation (Spanish: Federación Socialista Asturiana), often shortened to FSA–PSOE, is the regional section of the Spanish Socialist Workers' Party (PSOE) in the Principality of Asturias. It was formed on 27 January 1901 from the Socialist local groupings of Gijón (formed in 1891), Oviedo (1892), Mieres and Langreo (1897) and others.