| 1956 New South Wales Rugby Football League | |
|---|---|
| Teams | 10 |
| Premiers |  St. George (3rd title) |
| Minor premiers | St. George (3rd title) |
| Matches played | 95 |
| Points scored | 3096 |
| Top points scorer(s) | Doug Fleming (189) |
| Top try-scorer(s) | Tommy Ryan (19) |
1956's New South Wales Rugby Football League premiership was the 49th season of the rugby league competition based in Sydney. Ten teams from across the city competed for the J. J. Giltinan Shield during the season, which culminated in a Grand Final between St. George and Balmain.