| Points | Players | VS Club | Date | |
|---|---|---|---|---|
| 14 | Jason Strange | Toulouse | 07-11-1998 | Match details |
| 12 | Jason Strange | Edinburgh Rugby | 27-09-1998 | Match details |
| 11 | Byron Hayward | Edinburgh Rugby | 17-10-1998 | Match details |
| 10 | Byron Hayward | Ulster | 10-10-1998 | Match details |
| 6 | Byron Hayward | Toulouse | 19-09-1998 | Match details |
| 5 | Alan Harries | Edinburgh Rugby | 27-09-1998 | Match details |
| 5 | David Manley | Ulster | 10-10-1998 | Match details |
| 5 | Siua Taumololo | Ulster | 10-10-1998 | Match details |
| 5 | Chay Billen | Edinburgh Rugby | 17-10-1998 | Match details |
| 5 | Gareth Green | Ulster | 30-10-1998 | Match details |
| 5 | L Olsen | Ulster | 30-10-1998 | Match details |
| 5 | Kuli Faletau | Ulster | 30-10-1998 | Match details |
| 5 | Mark Jones | Toulouse | 19-09-1998 | Match details |
| 5 | John Funnell | Toulouse | 19-09-1998 | Match details |
| 3 | Jason Strange | Ulster | 10-10-1998 | Match details |
| 3 | Jason Strange | Ulster | 30-10-1998 | Match details |
