Head to Head
| Premiership Rugby | 2023/10/14 13:00 | Gloucester v Harlequins | L | 29-28 |
| Premiership Rugby Cup | 2023/09/22 18:45 | Gloucester v Harlequins | L | 25-17 |
| Premiership Rugby | 2023/02/17 19:45 | Gloucester v Harlequins | L | 28-26 |
| Premiership Rugby | 2022/11/25 19:45 | Harlequins v Gloucester | W | 21-12 |
| Premiership Rugby | 2022/05/21 14:00 | Harlequins v Gloucester | W | 28-24 |
| Premiership Rugby | 2022/01/02 15:00 | Gloucester v Harlequins | W | 17-20 |
| Premiership Rugby | 2021/03/20 14:00 | Harlequins v Gloucester | W | 59-24 |
| Premiership Rugby | 2020/12/06 16:15 | Gloucester v Harlequins | W | 24-34 |
| Premiership Rugby | 2020/09/14 18:45 | Gloucester v Harlequins | W | 15-28 |
| Premiership Rugby | 2019/12/01 15:00 | Harlequins v Gloucester | W | 23-19 |
| Premiership Rugby Cup | 2019/10/05 14:00 | Harlequins v Gloucester | W | 40-31 |
| Premiership Rugby | 2019/03/10 13:00 | Harlequins v Gloucester | L | 7-29 |
| Premiership Rugby | 2018/09/29 14:00 | Gloucester v Harlequins | W | 25-27 |
| Premiership Rugby | 2018/04/14 14:00 | Gloucester v Harlequins | L | 37-9 |
| Premiership Rugby | 2017/09/09 14:00 | Harlequins v Gloucester | W | 28-17 |
| Premiership Rugby | 2017/03/04 15:00 | Gloucester v Harlequins | W | 27-30 |
| Premiership Rugby | 2016/12/27 16:00 | Harlequins v Gloucester | W | 28-24 |
| Premiership Rugby | 2016/02/13 15:00 | Gloucester v Harlequins | L | 28-6 |
| Premiership Rugby | 2015/12/27 16:30 | Harlequins v Gloucester | D | 39-39 |
| Premiership Rugby | 2015/04/11 14:00 | Harlequins v Gloucester | W | 29-26 |
| LV Cup | 2015/02/07 15:00 | Gloucester v Harlequins | L | 25-7 |
| Premiership Rugby | 2014/11/14 19:45 | Gloucester v Harlequins | W | 15-22 |