Astrodym () is a rural locality (a selo) in Karasuksky District, Novosibirsk Oblast, Russia. It is part of the Troitsky Village Council.
Population:
Astrodym lies in the Baraba Steppe on the shore of the lake of the same name. River Karasuk flows to the south. Studyonoye village is located to the west and Karasuk railway station to the northeast by road.