| Points | Players | VS Club | Date | |
|---|---|---|---|---|
| 24 | Leigh Halfpenny | Scotland | 03-02-2018 | Match details |
| 12 | Leigh Halfpenny | Ireland | 24-02-2018 | Match details |
| 10 | George North | Italy | 11-03-2018 | Match details |
| 9 | Gareth Anscombe | Italy | 11-03-2018 | Match details |
| 9 | Leigh Halfpenny | France | 17-03-2018 | Match details |
| 5 | Gareth Davies | Scotland | 03-02-2018 | Match details |
| 5 | Steffan Evans | Scotland | 03-02-2018 | Match details |
| 5 | Gareth Davies | Ireland | 24-02-2018 | Match details |
| 5 | Aaron Shingler | Ireland | 24-02-2018 | Match details |
| 5 | Steffan Evans | Ireland | 24-02-2018 | Match details |
| 5 | Hadleigh Parkes | Italy | 11-03-2018 | Match details |
| 5 | Cory Hill | Italy | 11-03-2018 | Match details |
| 5 | Justin Tipuric | Italy | 11-03-2018 | Match details |
| 5 | Liam Williams | France | 17-03-2018 | Match details |
| 4 | Leigh Halfpenny | Italy | 11-03-2018 | Match details |
| 3 | Rhys Patchell | England | 10-02-2018 | Match details |
| 3 | Gareth Anscombe | England | 10-02-2018 | Match details |
