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.