| Competition: | ntfl |
| Year: | 1983–84 |
| Teams: | 6 |
| Premiers: | St Marys |
| Count: | 11 |
| Minor Premiers: | St Marys |
| Mpcount: | 12 |
| Wooden Spooners: | Waratah |
| Wscount: | 18 |
| Prevseason: | 1982 |
| Nextseason: | 1984 |
The 1983–84 NTFL season was the 63rd season of the Northern Territory Football League (NTFL).[1]
St Marys have claimed there 11th premiership title defeating the Darwin Buffaloes in the grand final by 12 points.