Parbig () is a river in Tomsk Oblast, Russia. It gives origin to the Chaya river.
It has its sources in the Vasyugan Swamp. It flows roughly in a northeastern direction across Bakcharsky district into Chainsky district, where it meets the ; the two flow into one another and become the Chaya, a tributary of the Ob.
Its main tributary is the long Andarma on the right. Listed by distance from the river's mouth, other tributaries are: