Socialist Workers' Federation

The Socialist Workers' Federation (Greek: Σοσιαλιστική Εργατική Ομοσπονδία, romanized: Sosialistikí Ergatikí Omospondía; French: Fédération Socialiste Ouvrière; Ladino: פ'ידיראסייון סוסייאליסטה לאב'וראדירה, romanized: Federasion Sosialista Lavoradera; Turkish: Selanik Sosyalist İşçi Federasyonu) was a socialist organisation in the Salonica Vilayet of the Ottoman Empire (present-day Thessaloniki), led by Avraam Benaroya. It was an attempt at union of different nationalities' workers in Salonica within a single labor movement.