Oktyabrsky District () is an administrative and municipal district (raion), one of the five in the Jewish Autonomous Oblast, Russia. It is located in the west and southwest of the autonomous oblast. The area of the district is . Its administrative center is the rural locality (a selo) of Amurzet. Population: 11,354 (2010 Census); The population of Amurzet accounts for 44.5% of the district's total population.