| Competition: | ntfl |
| Year: | 1955–56 |
| Teams: | 5 |
| Premiers: | St Marys |
| Count: | 2 |
| Minor Premiers: | St Marys |
| Mpcount: | 2 |
| Wooden Spooners: | Wanderers |
| Wscount: | 9 |
| Prevseason: | 1954 |
| Nextseason: | 1956 |
The 1955–56 NTFL season was the 35th season of the Northern Territory Football League (NTFL).[1]
St Marys have won there 2nd premiership title while defeating Waratah in the grand final by 5 points.