The Karenga (Russian: Каренга) is a river in Zabaykalsky Krai, southern East Siberia, Russia.

[2] There are Neolithic archaeological sites near the mouth of the river where ancient ceramic remains belonging to the Ust-Karenga Culture have been found.

Its sources are in the Chingikhan Saddle, located between the Yablonoi Mountains and the Chersky Range.

Kontalaksky Golets, the highest peak of the Yablonoi rises to the NW of the river valley, near Tungokochen.

[6] Finally, at the border with Buryatia it meets the Vitim 1,083 kilometres (673 mi) from its mouth in the Lena.