| 1970 New South Wales Rugby Football League | |
|---|---|
| Teams | 12 |
| Premiers |  South Sydney (19th title) |
| Minor premiers | South Sydney (16th title) |
| Matches played | 136 |
| Points scored | 4407 |
| Attendance | 1630630 |
| Top points scorer(s) | Eric Simms (241) |
| Player of the year |  Kevin Junee (Rothmans Medal) |
| Top try-scorer(s) |  Ken Irvine (16) |
The 1970 New South Wales Rugby Football League premiership was the 63rd season of Sydney's professional rugby league football competition, Australia's first. Twelve teams, including six foundation clubs and another six admitted post 1908, competed for the J. J. Giltinan Shield during the season which culminated in a grand final match for the WD & HO Wills Cup between the Manly-Warringah and South Sydney clubs.