The 1983 National Soccer League was the seventh season of the National Soccer League, the former top-flight league in Australia. It began on 13 March 1983, and ended on 9 October 1983. St George-Budapest won the championship for the first time.
For this season, the league shifted wins to be worth three points instead of two. No post-season finals series were played during this season for the first time since the 1977 season.
Sixteen teams competed in the league.
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