| 1951 New South Wales Rugby Football League | |
|---|---|
| Teams | 10 |
| Premiers |  South Sydney (13th title) |
| Minor premiers | South Sydney (12th title) |
| Matches played | 94 |
| Points scored | 3400 |
| Top points scorer(s) |  Ron Rowles (220) |
| Top try-scorer(s) | Johnny Graves (28) |
The 1951 New South Wales Rugby Football League premiership was the forty-fourth season of Sydney’s top-level rugby league competition, Australia’s first. Ten teams from across the city competed for the newly created J. J. Giltinan Shield during the season which culminated in a grand final between South Sydney and Manly-Warringah.