The Decentralist Social Force Party (Spanish: Partido Descentralista Fuerza Social) also known as Social Force (Spanish: Fuerza Social) was a centre-left, social democratic, Peruvian political party. Founded in 1997 as the Party for Social Democracy (Spanish: Partido por la Democracia Social), in 2007 it changed to its current name after incorporating members of the CONREDES de Junín Movement and the Cajamarca Social Force movement.