The 2020 Football South Australia season was the eighth season under the competition format in South Australia. All NPL and grassroots competitions were suspended for one month due to the impacts from the COVID-19 pandemic in Australia, effective 18 March to 14 April, and subsequently extended. Competitions were able to be resumed effective 25 June, subject to conditions. The South Australian season was temporarily suspended in mid-November for a minimum of two weeks, with the NPLSA in the middle of its finals series.