2019 Lisboa Belém Open – Doubles

Marcelo Arévalo and Miguel Ángel Reyes-Varela were the defending champions but chose not to defend their title.

Philipp Oswald and Filip Polášek won the title after defeating Guido Andreozzi and Guillermo Durán 7–5, 6–2 in the final.

Seeds
• # 🇨🇳 Gong Maoxin / 🇨🇳 Zhang Ze (quarterfinals)

• # 🇺🇸 James Cerretani / 🇺🇸 Nicholas Monroe (first round)

• # 🇦🇷 Guido Andreozzi / 🇦🇷 Guillermo Durán (final)

• # 🇦🇹 Philipp Oswald / 🇸🇰 Filip Polášek (champions)