This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Tennis at the 2018 South American Games – Women's doubles" – news · newspapers · books · scholar · JSTOR (June 2018) (Learn how and when to remove this message)

The women's doubles event at the 2018 South American Games was held from 29 May to 2 June.

Gold	Silver	Bronze
Alexa Guarachi Daniela Seguel Chile	Camila Giangreco Montserrat González Paraguay	Camila Romero Charlotte Römer Ecuador

	1st round							2nd round							Semifinals							Finals
								1	A Guarachi D Seguel	6	77
									A Iamachkine D Schaefer	1	64
															1	A Guarachi D Seguel	7	6
															3	M Herazo J Valero	5	2
								3	M Herazo J Valero	77	6
		H Birnbaumer P Cortez Vargas	3	0					M Linares D Ramírez	64	4
		M Linares D Ramírez	6	6																		1	A Guarachi D Seguel	6	6
																						2	C Giangreco Campiz M González	1	1
									J Ortenzi E Ganga	2	77	[3]
								4	C Romero C Römer	6	65	[10]
															4	C Romero C Römer	0	1				Third place
															2	C Giangreco Campiz M González	6	6
									I Tiscornia M Secinaro	2	0											3	M Herazo J Valero	4	1	[8]
								2	C Giangreco Campiz M González	6	6											4	C Romero C Römer	1	4	[10]

• Draw