The 2003 South Australian Premier League was the third last season of the SASF Premier League, the top level domestic association football competition in South Australia. It was contested by 12 teams in a single 22 round league format, each team playing all of their opponents twice.[1]
The 2003 South Australian State League was the third last season of the SASF State League, as the second highest domestic level association football competition in South Australia. It was contested by 12 teams in a single 22 round league format, each team playing all of their opponents twice.[2]