Aba South is a Local Government Area in Abia State, located in southeastern Nigeria. It is one of the 17 LGAs that make up the state and forms part of the Aba urban area. Aba South is located in the Abia South senatorial district of Abia State. The LGA shares boundaries with Aba North, Obingwa, and Ugwunagbo LGAs. The administrative headquarters of Aba South is situated in Aba.

The LGA covers an area of approximately and has a population of 423,852 as of 2006.

The postal code for Aba South is 450.

Localities Towns and Villages under Aba south are:

Abaukwu Akoli Amanfuru Ariaria Asaeme Asaokpuaja Eziukwu Ihieorji Ndiegoro Nnentu Obuda Ohabiam Umuagbai Umumba Umunneise Umuogele Umuokpoji Umuosi

See also Aba List of villages in Abia State

References