| Competition: | National Soccer League |
| Season: | 1983 |
| Dates: | 13 March – 9 October 1983 |
| Winners: | St George-Budapest 1st title |
| Matches: | 240 |
| Total Goals: | 638 |
| League Topscorer Section: | Top scorers |
| League Topscorer: | Duggie Brown (16 goals) |
| Highest Scoring: | (5 June 1983) |
| Highest Attendance: | 16,000 (3 April 1983) |
| Lowest Attendance: | 150 (2 October 1983) |
| Prevseason: | 1982 |
| Nextseason: | 1984 |
The 1983 National Soccer League was the seventh season of the National Soccer League, the former top-flight league in Australia. St George-Budapest won the championship for the first time.
Sixteen teams competed in the league.
Note: Table lists in alphabetical order.
| Award | Winner | Club | |
|---|---|---|---|
| National Soccer League Player of the Year |  Joe Watson | Sydney City | |
| National Soccer League Under 21 Player of the Year | Oscar Crino | South Melbourne | |
| National Soccer League Coach of the Year | Frank Arok | St George-Budapest |