| Competition: | ntfl |
| Year: | 1991–92 |
| Teams: | 7 |
| Premiers: | St Marys |
| Count: | 18 |
| Minor Premiers: | St Marys |
| Mpcount: | 20 |
| Wooden Spooners: | Southern Districts |
| Wscount: | 1 |
| Prevseason: | 1990 |
| Nextseason: | 1992 |
The 1991–92 NTFL season was the 71st season of the Northern Territory Football League (NTFL).[1]
St Marys have won there 18th premiership title while defeating the Darwin Buffaloes in the grand final by 31 points.