Orumba South is a Local Government Area in Anambra State, south-eastern Nigeria.

Other towns that make up the local government are Akpujiogu (Akpu), Umuomaku, Eziagu, Ezira, Ihite, Nkerehi (Umuchukwu), Nawfija, Ogboji, Ogbunka, Owerre-Ezukala, Agbudu, Onneh, Isulo, and Enugwu-Umuonyia.

The town of Umunze serves as the administrative center for the Orumba South Local Government Area, which is located in Anambra State in Nigeria's South-East Geopolitical Zone.

The LGA includes Nawfija, Alaohia, Uhala, Umuomaku, Ezira, Nkerehi, Agbudu, and Ogbunka among other cities and villages.

In the Orumba south LGA, hunting, fishing, and wood carving are additional significant economic pursuits.