Singles
2011 PBZ Zagreb Indoors
Final
Champion	Ivan Dodig
Runner-up	Michael Berrer
Score	6–3, 6–4
Events
Singles Doubles
← 2010 · PBZ Zagreb Indoors · 2012 →

Marin Čilić was the two-time defending champion; however, he was eliminated by Florian Mayer in the quarterfinals.
Ivan Dodig claimed the first ATP title of his career, by defeating Michael Berrer 6–3, 6–4 in the final match.

First four seeds received a bye into the second round.

	Semifinals							Final
	5	Florian Mayer	1	4
	8	Michael Berrer	6	6
								8	Michael Berrer	3	4
									Ivan Dodig	6	6
	3	Guillermo García-López	6	65	4
		Ivan Dodig	4	7	6

	First round							Second round							Quarterfinals							Semifinals
								1	M Čilić	7	6
		J Pospíšil	3	2					I Kunitsyn	63	2
		I Kunitsyn	6	6											1	M Čilić	3	4
		R Štěpánek	6	6											5	F Mayer	6	6
	Q	S Koubek	3	2					R Štěpánek	62	3
	WC	F Škugor	6	3	66			5	F Mayer	7	6
	5	F Mayer	3	6	7																	5	F Mayer	1	4
																						8	M Berrer	6	6
								4	R Gasquet	w/o
		A Clément	6	6					A Clément
		M Kukushkin	4	2											4	R Gasquet	2	r
	Q	B Kavčič	6	7											8	M Berrer	5
		M Zverev	2	5				Q	B Kavčič	4	1
	WC	N Mektić	5	1				8	M Berrer	6	6
	8	M Berrer	7	6

	First round							Second round							Quarterfinals							Semifinals
	7	P Petzschner	6	6
		J Hájek	3	3				7	P Petzschner	1	2
	Q	A Bogomolov Jr.	2	7	7			Q	A Bogomolov Jr.	6	6
	WC	A Veić	6	64	62										Q	A Bogomolov Jr.	2	68
		L Lacko	4	6	7										3	G García-López	6	7
		M İlhan	6	4	5				L Lacko	1	6	2
								3	G García-López	6	2	6
																						3	G García-López	6	65	4
	6	M Granollers	3	2																			I Dodig	4	7	6
		I Dodig	6	6					I Dodig	6	6
		I Marchenko	7	6					I Marchenko	2	3
	Q	D Lajović	5	2												I Dodig	6	6
		D Brands	7	62	7										2	I Ljubičić	4	4
		I Karlović	5	7	61				D Brands	2	3
								2	I Ljubičić	6	6

• Main Draw
• Qualifying Draw