| Penalties | Players | Club | VS Club | Date | |
|---|---|---|---|---|---|
| 5 |  Jack Carty | Connacht | Ulster | 05-05-2023 | Match details |
| 4 | Immanuel Libbok | Western Stormers | Bulls | 06-05-2023 | Match details |
| 2 |  Ben Healy | Munster | Leinster | 13-05-2023 | Match details |
| 1 |  John Cooney | Ulster | Connacht | 05-05-2023 | Match details |
| 1 | Jack Carty | Connacht | Western Stormers | 13-05-2023 | Match details |
| 1 | Immanuel Libbok | Western Stormers | Connacht | 13-05-2023 | Match details |
| 1 |  Harry Byrne | Leinster | Munster | 13-05-2023 | Match details |
