The 2003 South Australian National Football League season was the 124th season of the top-level Australian rules football competition in South Australia.
The SANFL reverted to a Final Four format for the first time since 1972.<BR> First Semi-final - Woodville-West Torrens defeated Sturt by 25 points<BR> Second Semi-final - Central District defeated West Adelaide by 18 points<BR> Preliminary Final - West Adelaide defeated Woodville-West Torrens by 30 points