| Penalties | Players | VS Club | Date | |
|---|---|---|---|---|
| 3 | Luke Burton | Rugby United New York | 09-05-2021 | Match details |
| 3 | Matt Giteau | Rugby ATL | 01-08-2021 | Match details |
| 1 | Matt Giteau | Toronto Arrows | 10-04-2021 | Match details |
| 1 | Matt Giteau | Utah Warriors | 16-05-2021 | Match details |
| 1 | Matt Giteau | Austin Gilgronis | 20-05-2021 | Match details |
| 1 | Luke Carty | Seattle Seawolves | 28-06-2021 | Match details |
| 1 | Matt Giteau | New Orleans Gold | 05-07-2021 | Match details |
| 1 | Serupepeli Vularika | New Orleans Gold | 05-07-2021 | Match details |
| 1 | Luke Burton | Rugby ATL | 01-08-2021 | Match details |
