Head to Head
| European Rugby Champions Cup | 2020/12/19 13:00 | Leinster v Northampton | W | 35-19 |
| European Rugby Champions Cup | 2019/12/14 17:15 | Leinster v Northampton | W | 50-21 |
| European Rugby Champions Cup | 2019/12/07 13:00 | Northampton v Leinster | W | 16-43 |
| Friendlies | 2019/09/12 18:30 | Northampton v Leinster | W | 26-34 |
| European Rugby Champions Cup | 2016/12/17 19:45 | Leinster v Northampton | W | 60-13 |
| European Rugby Champions Cup | 2016/12/09 19:45 | Northampton v Leinster | W | 10-37 |
Home History
| United Rugby Championship | 2024/04/27 17:05 | Stormers v Leinster | L | 42-12 |
| United Rugby Championship | 2024/04/20 13:00 | Lions v Leinster | L | 44-12 |
| European Rugby Champions Cup | 2024/04/13 16:30 | Leinster v La Rochelle | W | 40-13 |
| European Rugby Champions Cup | 2024/04/06 19:00 | Leinster v Leicester | W | 36-22 |
| United Rugby Championship | 2024/03/29 19:35 | Leinster v Bulls | W | 47-14 |
| United Rugby Championship | 2024/03/23 19:35 | Zebre v Leinster | W | 7-31 |
| United Rugby Championship | 2024/03/02 19:35 | Cardiff Blues v Leinster | W | 20-33 |
| Friendlies | 2024/02/23 19:30 | Saracens v Leinster | L | 31-19 |
Away History
| Premiership Rugby | 2024/04/27 14:05 | Harlequins v Northampton | L | 41-32 |
| Premiership Rugby | 2024/04/20 14:05 | Northampton v Leicester | W | 40-17 |
| European Rugby Champions Cup | 2024/04/13 19:00 | Northampton v Bulls | W | 59-22 |
| European Rugby Champions Cup | 2024/04/07 11:30 | Northampton v Munster | W | 24-14 |
| Premiership Rugby | 2024/03/29 19:45 | Northampton v Saracens | W | 41-30 |
| Premiership Rugby | 2024/03/22 19:45 | Bristol v Northampton | L | 52-21 |
| Premiership Rugby | 2024/01/27 14:00 | Northampton v Newcastle Falcons | W | 38-13 |
| European Rugby Champions Cup | 2024/01/20 17:30 | Munster v Northampton | W | 23-26 |