| Penalties | Players | VS Club | Date | |
|---|---|---|---|---|
| 3 | Paddy Wallace | Ospreys | 05-09-2003 | Match details |
| 3 | David Humphreys | Leinster | 02-01-2004 | Match details |
| 2 | Adam Larkin | Cardiff Blues | 31-10-2003 | Match details |
| 2 | Adam Larkin | Glasgow Warriors | 20-02-2004 | Match details |
| 2 | Adam Larkin | Edinburgh Rugby | 26-03-2004 | Match details |
| 1 | Adam Larkin | Scarlets | 06-02-2004 | Match details |
