The 2011 South Australian National Football League season was the 132nd season of the top-level Australian rules football competition in South Australia.
The season opened on 2 April with the opening fixture between Norwood and Port Adelaide, and concluded on 9 October with the Grand Final, in which the Minor Premiers Central District went on to lose to Woodville-West Torrens who recorded its 3rd premiership, winning by 3 points.
Norwood, Glenelg, South Adelaide, also made the top (final) five teams and participated in the finals series.
Port Adelaide, West Adelaide, North Adelaide, Sturt all missed the top five, with the last of those finishing last to record its 19th wooden spoon.
This Australian rules football competition-related article is a stub.