National Premier Leagues South Australia
| Organising body | Football South Australia |
|---|---|
| First season | 2013 |
| Country | Australia |
| State | South Australia |
| Confederation | AFC |
| Number of clubs | 12 (since 2016) |
| Level on pyramid | 2 |
| Relegation to | SA State League 1 |
| Domestic cup(s) | Australia Cup Federation Cup |
| Current champions | Croydon FC (2025) |
| Current premiers | North Eastern MetroStars (2025) |
| Most championships | Campbelltown City (7 titles) |
| Broadcaster(s) | YouTube |
| Website | footballsa.com.au |
| Current: 2026 NPL South Australia | |
The National Premier Leagues South Australia, officially abbreviated to NPL SA and known for sponsorship reasons as the RAA National Premier League, is a semi-professional men's soccer league in the Australian state of South Australia. The league is one of eight that comprises the National Premier Leagues, the second tier of Australian soccer. The league was founded in 2012 as a successor to the Super League and is managed by Football South Australia.
Seasons start in late February, and conclude in early September with a Grand Final which, since 2022, has been held at ServiceFM Stadium. The competition was initially contested by 14 teams and was reduced to 12 teams ahead of the 2016 season.