| Penalties | Club | VS Club | Date | |
|---|---|---|---|---|
| 6 | Cardiff Blues | Cheetahs | 09-11-2019 | Match details |
| 4 | Benetton Treviso | Scarlets | 09-11-2019 | Match details |
| 4 | Edinburgh Rugby | Cardiff Blues | 05-10-2019 | Match details |
| 4 | Gwent Dragons | Scarlets | 21-12-2019 | Match details |
| 4 | Ospreys | Munster | 25-10-2019 | Match details |
| 4 | Munster | Connacht | 21-12-2019 | Match details |
| 3 | Ulster | Cardiff Blues | 25-10-2019 | Match details |
| 3 | Leinster | Glasgow Warriors | 30-11-2019 | Match details |
| 3 | Scarlets | Edinburgh Rugby | 15-02-2020 | Match details |
| 3 | Connacht | Munster | 21-12-2019 | Match details |
| 3 | Southern Kings | Cheetahs | 25-01-2020 | Match details |
| 3 | Zebre | Benetton Treviso | 30-08-2020 | Match details |
| 3 | Glasgow Warriors | Scarlets | 04-10-2019 | Match details |
| 2 | Cheetahs | Scarlets | 02-11-2019 | Match details |
