2019 Argentina Open – Doubles

Andrés Molteni and Horacio Zeballos were the defending champions, but chose not to participate together. Molteni played alongside Roman Jebavý, but lost in the quarterfinals to Marco Cecchinato and Dušan Lajović.

Zeballos successfully defended the title alongside Máximo González, defeating Diego Schwartzman and Dominic Thiem in the final, 6–1, 6–1.

Seeds
• # 🇦🇷 Máximo González / 🇦🇷 Horacio Zeballos (champions)

• # Pablo Cuevas / 🇪🇸 Marc López (first round)

• # 🇧🇷 Marcelo Demoliner / Frederik Nielsen (quarterfinals)

• # 🇨🇿 Roman Jebavý / 🇦🇷 Andrés Molteni (quarterfinals)