South Hummocks is a locality in the Mid North of South Australia at the head of Gulf St Vincent adjacent to Yorke Peninsula on the southeastern slopes of the Hummock Range.
Most of South Hummocks is part of the Hundred of Kulpara in the District Council of Barunga West, but a strip along the northern and eastern sides is part of Hundred of Cameron and Hundred of Goyder in the Wakefield Regional Council. For federal elections, it is in the federal Division of Grey. It is in the state electoral district of Narungga.
