Round 18 - 1980
| 02-Aug-1980,Lidcombe | |||||||
| Wests 15 | St George 10 | ||||||
| Alan Neil | 1 | Brian Johnston | 1 | ||||
| Jim Leis | 1 | Graeme Buckley | 1 | ||||
| Ron Giteau | 4 | Graeme Wynn | 2 | ||||
| Terry Lamb | 1 | ||||||
| 03-Aug-1980,North_Sydney | |||||||
| Norths 18 | Parramatta 27 | ||||||
| Mark Harris | 2 | Neville Glover | 2 | ||||
| Don McKinnon | 1 | Ron Hilditch | 1 | ||||
| Bruce Foye | 1 | Mick Pattison | 1 | ||||
| Larry Kelly | 2 | Mick Cronin | 1 | 6 | |||
| Rod Henniker | 1 | ||||||
| 03-Aug-1980,Penrith | |||||||
| Penrith 17 | Souths 22 | ||||||
| David Hall | 1 | Shane Arneil | 1 | ||||
| Bruce Trudgett | 1 | Joe Squadrito | 1 | ||||
| Ken Wolffe | 1 | Gary Wright | 1 | ||||
| Darryl Brohman | 3 | Greg Mackey | 1 | ||||
| Kevin Dann | 1 | Eric Ferguson | 5 | ||||
| 03-Aug-1980,Leichhardt | |||||||
| Balmain 10 | Manly 18 | ||||||
| Neil Whittaker | 1 | Les Boyd | 1 | ||||
| Wayne Wigham | 1 | Martin Meredith | 1 | ||||
| Wayne Miranda | 2 | Graham Eadie | 6 | ||||
| 03-Aug-1980,Endeavour | |||||||
| Cronulla 11 | Newtown 11 | ||||||
| Dave Chamberlin | 1 | Trevor Ryan | 1 | ||||
| Steve Rogers | 4 | Ken Wilson | 4 | ||||
| 03-Aug-1980,Sports_Ground | |||||||
| Easts 14 | Canterbury 7 | ||||||
| Paul McCabe | 1 | Steve Gearin | 1 | 2 | |||
| John Tobin | 1 | ||||||
| Kevin Hastings | 4 | ||||||