The Council of the City of Kuching South (Malay: Majlis Bandaraya Kuching Selatan, abbreviated MBKS) is the city council which administers the southern part of the city of Kuching in the state of Sarawak, Malaysia. This council was established after the city was officially granted city status on 1 August 1988. Their jurisdiction covers an area of 61.53 square kilometres.

The council consists of the mayor plus thirty councillors appointed to serve a one-year term by the Sarawak State Government. DBKU is responsible for public health and sanitation, waste removal and management, town planning, environmental protection and building control, social and economic development and general maintenance functions of urban infrastructure Majlis Perbandaran Kuching (MPK).