Katav-Ivanovsk (Russian: Катав-Ива́новск) is a town in Chelyabinsk Oblast, Russia, located on the Katav River (left tributary of the Yuryuzan) 321 kilometers (199 mi) southwest of Chelyabinsk. Population: 17,640 (2010 Census preliminary results); 20,162 (2002 Census); 24,972 (1989 Census).