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.^[1]

Doubles
2021 Queen's Club Championships
Champions	Pierre-Hugues Herbert Nicolas Mahut
Runners-up	Reilly Opelka John Peers
Score	6–4, 7–5
Draw	24

Main article: 2021 Queen's Club Championships

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.^[2] 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
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Reilly Opelka John Peers	77	6
		Alex de Minaur Cameron Norrie	63	3
									Reilly Opelka John Peers	4	5
								4	Pierre-Hugues Herbert Nicolas Mahut	6	7
	4	Pierre-Hugues Herbert Nicolas Mahut	6	3	[11]
	7	Marcus Daniell Philipp Oswald	4	6	[9]

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	N Mektić M Pavić	77	7
		F López J Sinner	710	6					F López J Sinner	63	5
		D Evans J O'Mara	68	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	66	77	[10]
								8	K Skupski N Skupski	78	64	[2]
																							R Opelka J Peers	77	6
																							A de Minaur C Norrie	63	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							Second round							Quarterfinals							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	78	2	[10]
								4	P-H Herbert N Mahut	66	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	64					A Mannarino B Paire	3	4
		A Mannarino B Paire	6	77											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