The Chumysh () is a river in Russia, a right branch of the Ob River. It enters the Ob downriver from Barnaul. The Chumysh begins at the confluence of the Kara-Chumysh and the Tom-Chumysh rivers in Kemerovo Oblast. The Chumysh is long, and it drains a basin of .
About 68 percent of its right-side basin is known as the Salair Ridge () and the Pre-Salair plains.
Main tributaries
Left Kara-Chumysh (), length Sary-Chumysh (), length Kashkaragaikha (), length Taraba (), length Yama (), length Angurep (), length
Right Tom-Chumysh (), length Uksunay (), length Alambay (), length Sungay (), length Talmenka (), length Kamenka (), length
References