Om (river)

The Om (Russian: Омь, Siberian Tatar: Ом) is a river in the south of the Western Siberian plains in Russia. It is a right tributary of the Irtysh. It is 1,091 kilometres (678 mi) long, and has a drainage basin of 52,600 square kilometres (20,300 sq mi).

The name is probably from the word om "quiet" in the language of the Baraba Tatars.