| 1959 New South Wales Rugby Football League | |
|---|---|
| Teams | 10 |
| Premiers |  St. George (6th title) |
| Minor premiers | St. George (6th title) |
| Matches played | 94 |
| Points scored | 3107 |
| Attendance | 896911 |
| Top points scorer(s) |  Darcy Russell (206) |
| Top try-scorer(s) |  Ken Irvine (19) |
1959's New South Wales Rugby Football League premiership was the 52nd 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 Manly-Warringah.