Singles
2012 Jalisco Open
Final
Champion	Thiago Alves
Runner-up	Paolo Lorenzi
Score	6–3, 7–6(7–4)
Events
Singles Doubles
← 2011 · Jalisco Open · 2013 →

Paul Capdeville was the defending champion.
Thiago Alves won the title by defeating Paolo Lorenzi 6–3, 7–6^(7–4) in the final.

	Semifinals							Final
		Thiago Alves	7	6
		Ruben Bemelmans	5	3
									Thiago Alves	6	77
								3	Paolo Lorenzi	3	64
	3	Paolo Lorenzi	6	6
	Q	Roman Borvanov	2	4

	First round							Second round							Quarterfinals							Semifinals
	1	É Roger-Vasselin	63	7	6
	Q	R Farah	77	5	0			1	É Roger-Vasselin	4	3
		V Estrella	66	4					D Meffert	6	6
		D Meffert	78	6												D Meffert	5	4
		T Alves	6	6												T Alves	7	6
		I Navarro	3	4					T Alves	6	6
		A Veić	6	6					A Veić	4	3
	6	R Mello	4	2																			T Alves	7	6
	4	V Pospisil	4	7	7																		R Bemelmans	5	3
	WC	D Garza	6	5	5			4	V Pospisil	4	6	4
		S Bohli	6	3	1				R Bemelmans	6	2	6
		R Bemelmans	4	6	6											R Bemelmans	77	6
	WC	R Ginepri	2	5												M Chiudinelli	65	0
		D Gremelmayr	6	7					D Gremelmayr	1	6	1
		M Chiudinelli	77	6					M Chiudinelli	6	4	6
	7	J Zopp	64	3

	First round							Second round							Quarterfinals							Semifinals
	5	R de Voest	6	1	1
		G Rufin	4	6	6				G Rufin	5	3
	Q	É Chvojka	6	6				Q	É Chvojka	7	6
		M Rodrigues	3	2											Q	É Chvojka	77	4	3
		P Gojowczyk	2	6	6										3	P Lorenzi	63	6	6
		J Silva	6	2	4				P Gojowczyk	4	2
		A Brugués-Davi	2	2				3	P Lorenzi	6	6
	3	P Lorenzi	6	6																		3	P Lorenzi	6	6
	8	I van der Merwe	5	4																		Q	R Borvanov	2	4
		P Capdeville	7	6					P Capdeville	1	1
		R Ram	6	6					R Ram	6	6
	WC	B Rodríguez	3	2												R Ram	3	6	4
	Q	MA Reyes-Varela	6	5	6										Q	R Borvanov	6	4	6
	WC	C Ramírez	2	7	4			Q	MA Reyes-Varela	3	1
	Q	R Borvanov	6	6				Q	R Borvanov	6	6
	2	M Bachinger	4	4

• Main Draw
• Qualifying Draw