Jayedar-e Jonubi Rural District () is in Bala Geriveh District of Pol-e Dokhtar County, Lorestan province, Iran. Its capital is the village of Gori Balmak, whose population at the time of the 2016 National Census was 253 people in 67 households.
In 2023, Jelogir Rural District was separated from the Central District in the formation of Bala Geriveh District, and Jayedar-e Jonubi Rural District was created in the new district.