# 2021 Queen's Club Championships – Doubles

Pierre-Hugues Herbert and Nicolas Mahut defeated Reilly Opelka and John Peers in the final, 6–4, 7–5, to win the doubles tennis title at the 2021 Queen's Club Championships. It was the duo's third title at the tournament. Opelka and Peers were contesting as a new pairing in their first final.
Feliciano López and Andy Murray were the defending champions from when the event was last held in 2019, but Murray did not return to compete. López played alongside Jannik Sinner, but they lost in the second round to Nikola Mektić and Mate Pavić.

## Seeds

    01. Nikola Mektić / Mate Pavić (quarterfinals)
    02. Juan Sebastián Cabal / Robert Farah (quarterfinals)
    03. Rajeev Ram / Joe Salisbury (second round)
    04. Pierre-Hugues Herbert / Nicolas Mahut (champions)
    05. Jamie Murray / Bruno Soares (second round)
    06. Jérémy Chardy / Fabrice Martin (second round)
    07. Marcus Daniell / Philipp Oswald (semifinals)
    08. Ken Skupski / Neal Skupski (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Reilly Opelka John Peers | 7$^7$ | 6 | | | | | |
| | Alex de Minaur Cameron Norrie | 6$^3$ | 3 | | | | | |
| | Alex de Minaur Cameron Norrie | 6$^3$ | 3 | | | Reilly Opelka John Peers | 4 | 5 |
| | | | | | 4 | Pierre-Hugues Herbert Nicolas Mahut | 6 | 7 |
| 4 | Pierre-Hugues Herbert Nicolas Mahut | 6 | 3 | [11] | 4 | Pierre-Hugues Herbert Nicolas Mahut | 6 | 7 |
| 7 | Marcus Daniell Philipp Oswald | 4 | 6 | [9] | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | N Mektić M Pavić | 7$^7$ | 7 | | | | | | | | | |
| | F López J Sinner | 7$^{10}$ | 6 | | | F López J Sinner | 6$^3$ | 5 | | | | | | | | | |
| | D Evans J O'Mara | 6$^8$ | 2 | | | | | | | 1 | N Mektić M Pavić | 1 | 2 | | | | |
| | R Opelka J Peers | 6 | 3 | [10] | | | | | | | R Opelka J Peers | 6 | 6 | | | | |
| WC | A Gray H Heliövaara | 4 | 6 | [7] | | R Opelka J Peers | 6$^6$ | 7$^7$ | [10] | | | | | | | | |
| | | | | | 8 | K Skupski N Skupski | 7$^8$ | 6$^4$ | [2] | | | | | | | | |
| | | | | | | | | | | | | | | | R Opelka J Peers | 7$^7$ | 6 |
| | | | | | | | | | | | | | | | A de Minaur C Norrie | 6$^3$ | 3 |
| | | | | | 3 | R Ram J Salisbury | 7 | 1 | [10] | | | | | | | | |
| | A de Minaur C Norrie | 6 | 6 | | | A de Minaur C Norrie | 5 | 6 | [12] | | | | | | | | |
| | M Berrettini A Vavassori | 3 | 4 | | | | | | | | A de Minaur C Norrie | 3 | 6 | [10] | | | |
| | M Middelkoop J-P Smith | 3 | 6 | [7] | | | | | | | A Karatsev M Purcell | 6 | 4 | [6] | | | |
| | A Karatsev M Purcell | 6 | 3 | [10] | | A Karatsev M Purcell | 6 | 6 | | | | | | | | | |
| | | | | | 5 | J Murray B Soares | 4 | 4 | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | 6 | J Chardy F Martin | 4 | 4 | | | | | | | | | | | |
| | A Bedene A Ramos Viñolas | 3 | 4 | | A Behar G Escobar | 6 | 6 | | | | | | | | | | | |
| | A Behar G Escobar | 6 | 6 | | | | | | | A Behar G Escobar | 5 | 4 | | | | | | |
| WC | L Broady R Peniston | 7 | 6 | | | | | | 4 | P-H Herbert N Mahut | 7 | 6 | | | | | | |
| | A Bublik N Monroe | 5 | 3 | WC | L Broady R Peniston | 7$^8$ | 2 | [10] | | | | | | | | | | |
| | | | | 4 | P-H Herbert N Mahut | 6$^6$ | 6 | [12] | | | | | | | | | | |
| | | | | | | | | | | | | | | 4 | P-H Herbert N Mahut | 6 | 3 | [11] |
| | | | | | | | | | | | | | | 7 | M Daniell P Oswald | 4 | 6 | [9] |
| | | | | 7 | M Daniell P Oswald | 6 | 6 | | | | | | | | | | | |
| Alt | J Millman A Sitak | 4 | 6$^4$ | | A Mannarino B Paire | 3 | 4 | | | | | | | | | | | |
| | A Mannarino B Paire | 6 | 7$^7$ | | | | | | 7 | M Daniell P Oswald | 4 | 6 | [10] | | | | | |
| WC | S Parker J Ward | 3 | 2 | | | | | | 2 | JS Cabal R Farah | 6 | 2 | [6] | | | | | |
| | L Bambridge D Inglot | 6 | 6 | | L Bambridge D Inglot | 4 | 4 | | | | | | | | | | | |
| | | | | 2 | JS Cabal R Farah | 6 | 6 | | | | | | | | | | | |