Doubles
2021 Lima Challenger
Final
Champions	Julian Lenz Gerald Melzer
Runners-up	Nicolás Barrientos Fernando Romboli
Score	7–6(7–4), 7–6(7–3)
Events
Singles Doubles
← 2020 · Lima Challenger · 2021 →

Íñigo Cervantes and Oriol Roca Batalla were the defending champions^[1] but chose not to defend his title.

Julian Lenz and Gerald Melzer won the title after defeating Nicolás Barrientos and Fernando Romboli 7–6^(7–4), 7–6^(7–3) in the final.

	First round							Quarterfinals							Semifinals							Final
	1	H Hach Verdugo MÁ Reyes-Varela	4	6	[7]
		E King JA Ore	6	3	[10]				E King JA Ore	62	6	[8]
	PR	J Lenz G Melzer	6	7				PR	J Lenz G Melzer	77	3	[10]
		JP Ficovich N Kicker	2	5											PR	J Lenz G Melzer	77	7
	4	G Andreozzi G Durán	1	5												F Cerúndolo C Ugo Carabelli	65	5
		F Cerúndolo C Ugo Carabelli	6	7					F Cerúndolo C Ugo Carabelli	7	6
	WC	A Huertas del Pino C Huertas del Pino	4	6	[7]			WC	G Bueno I Buse	5	1
	WC	G Bueno I Buse	6	3	[10]																	PR	J Lenz G Melzer	77	77
	WC	A Merino J Panta	3	2																		2	N Barrientos F Romboli	64	63
		C Gómez-Herrera R Quiroz	6	6					C Gómez-Herrera R Quiroz	3	4
		H Dellien F Zeballos	6	6					H Dellien F Zeballos	6	6
	3	S Galdós F Mena	2	2												H Dellien F Zeballos	2	0
		JM Cerúndolo TA Tirante	77	6											2	N Barrientos F Romboli	6	6
		D Hidalgo C Rodríguez	63	3					JM Cerúndolo TA Tirante	6	1	[5]
		B Arias A Menéndez Maceiras	4	2				2	N Barrientos F Romboli	2	6	[10]
	2	N Barrientos F Romboli	6	6

• Main draw