Darrehrud-e Jonubi Rural District (Persian: دهستان دره‌رود جنوبی) is in Darrehrud District of Ungut County, Ardabil province, Iran. Its capital is the village of Qarah Khan Beyglu, whose population in 2016 was 922 in 267 households.

In September 2019, Angut District was separated from Germi County in the establishment of Ungut County, which was divided into two districts of two rural districts each, with Angut as its capital and only city.