The Socialist Democracy of Guinea (French: Démocratie Socialiste de Guinée, DSG) was a political party in Guinea. DSG was founded in the run-up to the 1954 legislative election by Abdoulaye Diallo, Chaikou Baldé and Ibrahima Barry (a.k.a. 'Barry III'). DSG was a continuation of the party led by Yaciné Diallo. DSG was the Guinean affiliate of the French Section of the Workers International (SFIO). Barry III was the candidate of the party in the election. Barry III came third in the 1954 election with 16,098 votes (6.3%). DSG held its first congress in Dixinn November 20–22, 1955.