The Izh (Russian: Иж; Udmurt: Оӵ, Oč; Tatar: Иж, romanized: İj [iʒ]) is a river in Udmurtia and Tatarstan, Russian Federation, a right-bank tributary of the Kama.

[1] It begins near Malye Oshvortsy, Udmurtia and falls to the Nizhnekamsk Reservoir, Kama River, near Golyushurma tract in Agryzsky District, Tatarstan.

The river's major tributaries are the Agryzka, Chazh, Kyrykmas, Varzinka, Varzi and Azevka rivers.

There are notable mineral springs in Izh valley.

This article related to a river in Russia is a stub.