1991 Final Table
| Pstn | Side | Matches | Won | Lost | Drawn | For | Against | Diff. | Points |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Penrith | 22 | 17 | 4 | 1 | 483 | 250 | +233 | 35 |
| 2 | Manly Warringah | 22 | 14 | 7 | 1 | 391 | 299 | +92 | 29 |
| 3 | North Sydney | 22 | 14 | 7 | 1 | 345 | 303 | +42 | 29 |
| 4 | Canberra | 22 | 14 | 8 | 0 | 452 | 327 | +125 | 28 |
| 5 | Canterbury Bankstown | 22 | 13 | 8 | 1 | 424 | 374 | +50 | 27 |
| 6 | Western Suburbs | 22 | 13 | 8 | 1 | 359 | 311 | +48 | 27 |
| 7 | Brisbane | 22 | 13 | 9 | 0 | 470 | 326 | +144 | 26 |
| 8 | Illawarra | 22 | 12 | 9 | 1 | 451 | 291 | +160 | 25 |
| 9 | St George | 22 | 11 | 8 | 3 | 388 | 320 | +68 | 25 |
| 10 | Cronulla Sutherland | 22 | 8 | 11 | 3 | 384 | 441 | -57 | 19 |
| 11 | Eastern Suburbs | 22 | 9 | 12 | 1 | 337 | 487 | -150 | 19 |
| 12 | Balmain | 22 | 8 | 13 | 1 | 351 | 412 | -61 | 17 |
| 13 | Newcastle | 22 | 6 | 13 | 3 | 308 | 424 | -116 | 15 |
| 14 | South Sydney | 22 | 7 | 15 | 0 | 370 | 513 | -143 | 14 |
| 15 | Parramatta | 22 | 6 | 16 | 0 | 351 | 534 | -183 | 12 |
| 16 | Gold Coast | 22 | 2 | 19 | 1 | 240 | 492 | -252 | 5 |