Abstract: In the 1920s the Soviet Union launched the Crimean Jewish Autonomy Project as part of its korenizatsiya (indigenization) policy to integrate minorities into socialism. By promoting Jewish agricultural settlement and granting limited cultural autonomy, the state sought to weaken Zionism and foster a unified Soviet identity. Crimea thus became a testing ground for Soviet social engineering in managing ethnic diversity. Yet the initiative imposed ideological constraints, reshaping Jewish identity within socialist boundaries. The project ultimately revealed both the ambitions of Soviet nationality policy and its inherent contradictions.