| 1958 New South Wales Rugby Football League | |
|---|---|
| Teams | 10 |
| Premiers |  St. George (5th title) |
| Minor premiers | St. George (5th title) |
| Matches played | 95 |
| Points scored | 3050 |
| Attendance | 1030272 |
| Top try-scorer(s) | Eddie Lumsden (18) |
The 1958 NSWRFL season was the 51st season of the New South Wales Rugby Football League, Australia's first rugby league football competition. Ten teams from across Sydney competed for the J. J. Giltinan Shield during the season, which culminated in a grand final between St. George and Western Suburbs.