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.

The association has had 3 main venues they have used for their games.

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.

All four venues have TV standard light towers which have allowed night games to be scheduled.