The Socialist Alliance () intended to be an electoral alliance in Mexico, proposed in November 2005 for the 2006 general elections. The alliance intended to include several Trotskyist factions that split off from the old Revolutionary Workers' Party (PRT). These included: Socialist Convergence (Convergencia Socialista) Socialist Unity League (Liga de Unidad Socialista) Socialist Collective (Colectivo Socialista) Labor and Socialist Unity (Unidad Obrera y Socialista) See also National Assembly of the Socialist Left 2004 in Mexico 2006 elections in Mexico Far-left politics in Mexico Left-wing political party alliances Political organizations based in Mexico Political party alliances in Mexico Trotskyist organizations in Mexico Mexico