Head to Head
| Prem Rugby | 2025/01/24 19:45 | Harlequins v Northampton | W | 22-19 |
| Prem Rugby | 2024/10/04 18:45 | Northampton v Harlequins | L | 33-29 |
| Prem Rugby | 2024/04/27 14:05 | Harlequins v Northampton | W | 41-32 |
| Prem Rugby | 2023/11/24 19:45 | Northampton v Harlequins | L | 36-33 |
| Prem Rugby | 2023/01/01 15:00 | Northampton v Harlequins | L | 46-17 |
| Premier Rugby Cup | 2022/10/11 18:45 | Northampton v Harlequins | L | 49-29 |
| Prem Rugby | 2022/10/02 14:00 | Harlequins v Northampton | W | 35-29 |
| Prem Rugby | 2022/04/29 18:45 | Northampton v Harlequins | L | 32-31 |
Home History
| Prem Rugby | 2025/10/04 14:05 | Leicester v Harlequins | L | 29-19 |
| Prem Rugby | 2025/09/26 18:45 | Harlequins v Bath | L | 31-47 |
| Premier Rugby Cup | 2025/09/19 18:45 | Harlequins v Leicester | L | 17-25 |
| Premier Rugby Cup | 2025/09/12 18:45 | Newcastle Red Bulls v Harlequins | L | 26-14 |
| Prem Rugby | 2025/05/31 14:05 | Bristol v Harlequins | L | 52-26 |
| Prem Rugby | 2025/05/18 14:00 | Harlequins v Exeter Chiefs | W | 24-22 |
| Prem Rugby | 2025/05/10 16:30 | Harlequins v Gloucester | W | 38-19 |
| Prem Rugby | 2025/04/26 14:05 | Leicester v Harlequins | L | 40-7 |
Away History
| Prem Rugby | 2025/10/05 14:00 | Gloucester v Northampton | W | 35-37 |
| Prem Rugby | 2025/09/28 12:00 | Northampton v Exeter Chiefs | D | 33-33 |
| Premier Rugby Cup | 2025/09/19 18:30 | Saracens v Northampton | W | 34-49 |
| Prem Rugby | 2025/05/31 14:00 | Gloucester v Northampton | L | 41-26 |
| European Rugby Champions Cup | 2025/05/24 13:45 | Northampton v Bordeaux | L | 20-28 |
| Prem Rugby | 2025/05/17 14:05 | Northampton v Saracens | W | 28-24 |
| Prem Rugby | 2025/05/11 14:00 | Exeter Chiefs v Northampton | L | 42-14 |
| European Rugby Champions Cup | 2025/05/03 16:30 | Leinster v Northampton | W | 34-37 |