Local government in the Australian state of South Australia describes the organisations and processes by which towns and districts can manage their own affairs to the extent permitted by section 64A of Constitution Act 1934 (SA).

LGAs sorted by region

The organisations, often called local government areas (LGAs) are constituted and managed in accordance with the Local Government Act 1999 (South Australia). They are grouped below by region, as defined by the Local Government Association of South Australia. Maralinga Tjarutja and Anangu Pitjantjatjara Yankunytjatjara aboriginal councils both located in the remote north of the state are by far the largest South Australian LGAs, both exceeding 100,000&nbsp;km<sup>2</sup>.

! class=unsortable scope="col" rowspan=2| Notes

! class=unsortable scope="col" rowspan=2| Map

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! scope="col" | km<sup>2</sup>

! scope="col" | sq mi

!Density (2022)