 | |
| Organising body | Football South Australia |
|---|---|
| Founded | July 1907 |
| Region | South Australia |
| Number of teams | 46 (2023) |
| Qualifier for | Australia Cup |
| Current champions | Campbelltown City (3rd title) |
| Most successful club(s) | Adelaide City (18 titles) |
| Television broadcasters | YouTube (Semi-finals and final only) |
| Website | Football SA |
 2024 FSA Federation Cup | |
The Football South Australia Federation Cup, more commonly known as the Federation Cup and referred to as the Australia Cup South Australian preliminary rounds until the semi-finals, is an annual knockout cup competition in South Australia by Football South Australia. The competition is the second longest-running cup competition in Australia, only behind the Football West State Cup, founded 8 years earlier.
The competition includes all clubs from the top three tiers of South Australian soccer, as well as numerous clubs from level four and outside the pyramid.
Since 2014 the Federation Cup has been incorporated as one of the qualification tournaments to determine participants in the national Australia Cup. Adelaide City are the most successful club in the competitions history, winning the competition a total of 18 times, including a run of five in a row from 1969 until 1973.