Round 18 - 1991
| 26-Jul-1991,Parramatta | |||||||
| Parramatta 6 | Norths 12 | ||||||
| Brett Kenny | 1 | Gary Larson | 1 | ||||
| Andrew Fitzhenry | 1/1 | Darryl Halligan | 4/4 | ||||
| 27-Jul-1991,Belmore | |||||||
| Canterbury 19 | Illawarra 12 | ||||||
| Geordi Peats | 1 | Alan McIndoe | 1 | ||||
| Darren Smith | 1 | Les Morrissey | 1 | ||||
| Jonathan Davies | 1 | 3/3 | James Mathews | 2/4 | |||
| Ewan McGrady | 1 | ||||||
| 28-Jul-1991,Brookvale | |||||||
| Manly 8 | Wests 9 | ||||||
| John Jones | 1 | Shaun Devine | 1 | ||||
| Matthew Ridge | 2/4 | Jason Taylor | 2/3 | 1 | |||
| 28-Jul-1991,Leichhardt | |||||||
| Balmain 25 | Newcastle 16 | ||||||
| Will Robinson | 2 | Tony Kemp | 1 | ||||
| James Grant | 1 | Mike McLean | 1 | ||||
| Tim Brasher | 1 | Michael Hagan | 1 | ||||
| Brian Smith | 4/7 | 1 | John Schuster | 2/4 | |||
| 28-Jul-1991,Endeavour | |||||||
| Cronulla 48 | Easts 14 | ||||||
| Jonathan Docking | 1 | Matthew Burke | 1 | ||||
| Mark McGaw | 1 | Mark Protheroe | 1 | ||||
| Barry Russell | 1 | Steve Deacon | 1 | 1/3 | |||
| Glenn Coleman | 1 | ||||||
| Alan Wilson | 1 | ||||||
| David Boughton | 1 | ||||||
| Michael Elliott | 1 | ||||||
| Greg Carberry | 3 | 4/10 | |||||
| 28-Jul-1991,Kogarah | |||||||
| St George 14 | Gold Coast 6 | ||||||
| Matthew Elliott | 1 | Wayne Bartrim | 1 | 1/1 | |||
| Scott Gourley | 1 | Troy McCarthy | 0/1 | ||||
| Ricky Walford | 3/7 | ||||||
| 28-Jul-1991,S.F.S. | |||||||
| Souths 12 | Penrith 23 | ||||||
| David Boyle | 1 | Mark Lyons | 1 | ||||
| Rod Maybon | 4/5 | Ben Alexander | 1 | Greg Barwick | 1 | Greg Alexander | 5/7 | 1 |
| 28-Jul-1991,Bruce | |||||||
| Canberra 8 | Brisbane 18 | ||||||
| Darrell McDonald | 1 | Kevin Walters | 1 | ||||
| Matthew Wood | 2/2 | Paul Hauff | 1 | Michael Hancock | 1 | Terry Matterson | 3/5 |