Izard County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 13,577. The county seat is Melbourne. Izard County is Arkansas's 13th county, formed on October 27, 1825, and named for War of 1812 General and Arkansas Territorial Governor George Izard. It is an alcohol prohibition or dry county.

George Izard was a senior officer of the United States Army who served as the second governor of Arkansas Territory from 1825 to 1828. He was elected as a member to the American Philosophical Society in 1807.