| 1965 New South Wales Rugby Football League | |
|---|---|
| Teams | 10 |
| Premiers |  St. George (12th title) |
| Minor premiers | St. George (11th title) |
| Matches played | 94 |
| Points scored | 2485 |
| Attendance | 1171510 |
| Top points scorer(s) |  Fred Griffiths (181) |
| Top try-scorer(s) | Johnny King (15) |
The 1965 New South Wales Rugby Football League premiership was the 58th season of the rugby league competition based in Sydney. Ten clubs from across the city competed for the J.J. Giltinan Shield and the WD & HO Wills Cup during the season, which culminated in a grand final between St. George and South Sydney.
The 1965 season also saw the retirement from the League of future Australian Rugby League Hall of Fame inductee, Norm Provan.