Head to Head
| 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 |
Home History
| Premiership Rugby | 2019/03/02 15:00 | Bath v Harlequins | W | 29-31 |
| Premiership Rugby | 2019/02/23 14:00 | Harlequins v Bristol | W | 36-26 |
| Premiership Rugby | 2019/02/16 15:00 | Harlequins v Worcester Warriors | W | 47-33 |
| Premiership Rugby Cup | 2019/01/26 15:00 | Harlequins v Saracens | L | 12-32 |
| European Rugby Challenge Cup | 2019/01/18 18:45 | Agen v Harlequins | W | 17-33 |
| European Rugby Challenge Cup | 2019/01/12 15:00 | Harlequins v Grenoble | W | 38-20 |
| Premiership Rugby | 2019/01/05 15:00 | Newcastle Falcons v Harlequins | W | 17-38 |
| Premiership Rugby | 2018/12/29 16:00 | Harlequins v Wasps | W | 20-13 |
Away History
| Premiership Rugby | 2019/03/01 19:45 | Bristol v Gloucester | L | 28-24 |
| Premiership Rugby | 2019/02/22 19:45 | Gloucester v Saracens | W | 30-24 |
| Premiership Rugby | 2019/02/15 19:45 | Gloucester v Exeter Chiefs | W | 24-17 |
| Premiership Rugby Cup | 2019/02/04 19:30 | Bath v Gloucester | L | 52-0 |
| European Rugby Champions Cup | 2019/01/19 17:30 | Castres v Gloucester | L | 24-22 |
| European Rugby Champions Cup | 2019/01/11 19:45 | Gloucester v Munster | L | 15-41 |
| Premiership Rugby | 2019/01/05 15:00 | Leicester v Gloucester | L | 34-16 |
| Premiership Rugby | 2018/12/29 15:00 | Gloucester v Sale Sharks | L | 15-30 |