Kiya (river)

The Kiya () is a river in Tomsk and Kemerovo Oblasts of Russia. It is a left tributary of the Chulym (in the Ob's drainage basin), and is long, with a drainage basin of . The river has its sources in the Kuznetsky Alatau and flows in a northwesterly direction to its mouth in the Chulym some upriver from the town of Asino.
Its main tributaries are from the right: Tyazhin and Chet, and from the left: Kozhakh and Antibes.
The town of Mariinsk lies along the Kiya.