Raz and Jargalan County () is in North Khorasan province, Iran. Its capital is the city of Raz.
In 2012, Raz and Jargalan District was separated from Bojnord County in the establishment of Raz and Jargalan County, which was divided into three districts of two districts each, with Raz as its capital and only city at the time.
At the time of the 2016 National Census, the county's population was 59,210 in 15,903 households.
Raz and Jargalan County's population and administrative structure are shown in the following table.