Ishim (Иши́м) is a town in the south of Tyumen Oblast, Russia. According to the Russian 2002 Census, it has a population of 67,757.
The famous Russian writer Pyotr Yershov was born near Ishim.
Ishim is currently designated the eastern terminus of European route E22, a road route crossing Russia, Latvia, Sweden, Germany, The Netherlands, and the United Kingdom, terminating at the port of Holyhead (Welsh: Caergybi) for onward connections to Ireland.