Kevin Krawietz and Tim Pütz defeated Sander Gillé and Joran Vliegen in the final, 7–6^(7–4), 6–3 to win the men's doubles tennis title at the 2023 Hamburg European Open.

Lloyd Glasspool and Harri Heliövaara were the defending champions,^[1] but lost in the first round to Hugo Dellien and Guido Pella.

	First round							Quarterfinals							Semifinals							Final
	1	L Glasspool H Heliövaara	3	3
	PR	H Dellien G Pella	6	6				PR	H Dellien G Pella	3	4
	LL	B Arias F Zeballos	65	3					N Ćaćić VV Cornea	6	6
		N Ćaćić VV Cornea	77	6												N Ćaćić VV Cornea	1	4
	3	K Krawietz T Pütz	77	6											3	K Krawietz T Pütz	6	6
	Q	M Möller M Topo	64	3				3	K Krawietz T Pütz	7	6
	WC	R Molleker MH Rehberg	3	2					JS Cabal M Middelkoop	5	4
		JS Cabal M Middelkoop	6	6																		3	K Krawietz T Pütz	77	6
		S Báez B Zapata Miralles	4	4																		4	S Gillé J Vliegen	64	3
		R Haase N Mektić	6	6					R Haase N Mektić	77	5	[9]
	WC	C Frantzen H Jebens	2	4				4	S Gillé J Vliegen	62	7	[11]
	4	S Gillé J Vliegen	6	6											4	S Gillé J Vliegen	6	6
		A Erler L Miedler	4	6	[13]											A Erler L Miedler	3	4
		F Martin A Mies	6	2	[11]				A Erler L Miedler	77	6
		F Cerúndolo TM Etcheverry						2	I Dodig M Pavić	65	4
	2	I Dodig M Pavić	w/o

1. Marvin Möller / Marko Topo

1. Boris Arias / Federico Zeballos

	First round							Qualifying competition
	1	Diego Hidalgo Cristian Rodríguez	4	4
	WC	Marvin Möller Marko Topo	6	6
								WC	Marvin Möller Marko Topo	6	61	[10]
								2	Boris Arias Federico Zeballos	4	77	[6]
		Ivan Sabanov Matej Sabanov	64	6	[7]
	2	Boris Arias Federico Zeballos	77	4	[10]

• Main draw
• Qualifying draw