| Penalties | Players | VS Club | Date | |
|---|---|---|---|---|
| 3 | Kurt Coleman | Edinburgh Rugby | 01-12-2017 | Match details |
| 2 | Pieter-Steyn de Wet | Gwent Dragons | 30-09-2017 | Match details |
| 2 | Masixole Banda | Glasgow Warriors | 27-10-2017 | Match details |
| 2 | Oliver Zono | Scarlets | 26-11-2017 | Match details |
| 2 | Masixole Banda | Cheetahs | 28-04-2018 | Match details |
| 1 | Kurt Coleman | Scarlets | 02-09-2017 | Match details |
| 1 | Masixole Banda | Leinster | 16-09-2017 | Match details |
| 1 | Pieter-Steyn de Wet | Zebre | 23-09-2017 | Match details |
| 1 | Pieter-Steyn de Wet | Benetton Treviso | 07-10-2017 | Match details |
| 1 | Oliver Zono | Ulster | 04-11-2017 | Match details |
| 1 | Ntabeni Dukisa | Cheetahs | 20-01-2018 | Match details |
| 1 | Masixole Banda | Ulster | 09-02-2018 | Match details |
| 1 | Kurt Coleman | Gwent Dragons | 02-03-2018 | Match details |
| 1 | Masixole Banda | Munster | 07-04-2018 | Match details |
