Guillermo Durán and Máximo González were the defending champions, but González chose not to play this year. Guillermo Durán played alongside Andrés Molteni and lost in the first round to Guido Andreozzi and Guido Pella.
Andrej Martin and Igor Zelenay are the defending champions, but Martin did not return to defend his title. Zelenay plays alongside Mateusz Kowalczyk, they lost already in the first round to Guido Andreozzi and Nicolás Jarry.
Romain Arneodo and Fernando Romboli were the defending champions but only Romboli chose to defend his title, partnering Fabrício Neis. Romboli lost in the first round to Sergio Galdós and Federico Zeballos.
Ariel Behar and Fabiano de Paula were the defending champions but chose not to defend their title.
The men's doubles tennis event of the 2019 Pan American Games was held from July 29 through August 3 at the Club Lawn Tennis de La Exposcicion in Lima, Peru.
Guido Andreozzi and Guillermo Durán were the defending champions but only Andreozzi chose to defend his title, partnering Andrés Molteni. Andreozzi successfully defended his title.
Guido Andreozzi and Guillermo Durán were the defending champions but chose not to defend their title.
Luciano Darderi and Juan Bautista Torres were the defending champions but only Torres chose to defend his title, partnering Thiago Agustín Tirante. Torres lost in the semifinals to Román Andrés Burruchaga and Facundo Díaz Acosta.
David Vega Hernández and Mark Vervoort were the defending champions but chose not to defend their title.
Rafael Matos and Felipe Meligeni Alves were the defending champions but only Meligeni Alves chose to defend his title, partnering Matheus Pucinelli de Almeida. Meligeni Alves withdrew before his first round match due to injury.
Ignacio Carou and Facundo Mena were the defending champions but chose not to defend their title.
Rafael Matos and Felipe Meligeni Alves were the defending champions but only Meligeni Alves chose to defend his title, partnering Matheus Pucinelli de Almeida. They withdrew before their first round match.
This was the third edition of the tournament as an ATP Challenger Tour event and the first edition since 2012.
This was the first edition of the tournament.
Guido Andreozzi and Guillermo Durán were the defending champions but chose not to defend their title.
Boris Arias and Federico Zeballos were the defending champions but lost in the semifinals to Diego Hidalgo and Cristian Rodríguez.
Guido Andreozzi and Guillermo Durán were the defending champions but lost in the semifinals to Fernando Romboli and Marcelo Zormann.
Guido Andreozzi and Guillermo Durán were the defending champions but chose not to defend their title.
Gonzalo Bueno and Daniel Vallejo were the defending champions but only Vallejo chose to defend his title, partnering Ignacio Buse. Vallejo lost in the first round to Renzo Olivo and Elias Ymer.
Karol Drzewiecki and Piotr Matuszewski were the defending champions but chose not to defend their title.
Guido Andreozzi 
Luis David Martínez 
