| Penalties | Players | VS Club | Date | |
|---|---|---|---|---|
| 4 | Stephen Perofeta | Chiefs | 07-04-2018 | Match details |
| 4 | Stephen Perofeta | New South Wales | 05-05-2018 | Match details |
| 3 | Stephen Perofeta | Queensland Reds | 29-06-2018 | Match details |
| 2 | Bryn Gatland | Highlanders | 23-02-2018 | Match details |
| 2 | Bryn Gatland | Highlanders | 20-04-2018 | Match details |
| 1 | Bryn Gatland | Lions | 10-03-2018 | Match details |
| 1 | Bryn Gatland | Western Stormers | 17-03-2018 | Match details |
| 1 | Stephen Perofeta | Jaguares | 28-04-2018 | Match details |
| 1 | Stephen Perofeta | Hurricanes | 11-05-2018 | Match details |
| 1 | Stephen Perofeta | Melbourne Rebels | 02-06-2018 | Match details |
| 1 | Bryn Gatland | Queensland Reds | 29-06-2018 | Match details |
| 1 | Stephen Perofeta | Hurricanes | 07-07-2018 | Match details |
