The Gridiron Association of South Australia (formally the South Australian Gridiron Association until 1990), Gridiron SA, or GASA is the governing body for gridiron (American football) in the state of South Australia, Australia. There are currently five Division One teams registered in the league.

The association has had 3 main venues they have used for their games. From 1985-1988 they used Norwood Oval. Then from 1989-1996 they used Thebarton Oval and from 1997 - 2009 they have played their games at the Distinctive Homes Hockey Stadium. In 2010, they returned to Thebarton, before moving to Richmond Oval in 2012. 

Gridiron SA has played at many venues since 2012 like Port Rugby, Ellis Park in the city and now are calling Dry Creek Reserve Home in 2023.

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International

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The Outback Gridiron Team is the Australian representative team which competes every four years in the International Federation of American Football World Cup which has been running since 1999. The IFAF 2015 World Cup was Australia’s most successful to date with Australia finishing 5th. The next World Cup is slated for 2023.

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The Women’s Outback Team competes every four years in the IFAF Women’s World Cup. Australia attended for the first time in 2017 placing 6th, with the next World Cup being held in 2021 in Finland.

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The Junior Outback Team competes every two years at the IFAF Junior World Cup which was started in 2009. In 2016 the Junior Outback competed at the World Cup in China, and are attending in 2020 World Cup held in the USA.

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