1989–90 NTFL season
| 1989–90 NTFL season | |
|---|---|
| Teams | 7 |
| Premiers | St Marys 16th premiership |
| Minor premiers | St Marys 18th minor premiership |
| Wooden spooners | Wanderers 22nd wooden spoon |
The 1989–90 NTFL season was the 69th season of the Northern Territory Football League (NTFL).
St Marys have won their 16th premiership title while defeating the Darwin Buffaloes in the grand final by 108 points.