Yitong Manchu Autonomous County (, Manchu: ; Möllendorff: itong manju uksura beye dasara hiyan), formerly known as Itu (, itu), is located in western Jilin province, China, south of the provincial capital, Changchun. It comes under the administration of Siping City. More than 38% of the population are ethnic Manchus.
Yitong became an autonomous county in 1988.
The county administers 2 subdistricts, 12 towns and 3 townships.