2021 Quito Challenger – Doubles

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

Alejandro Gómez and Thiago Agustín Tirante won the title after defeating Adrián Menéndez Maceiras and Mario Vilella Martínez 7–5, 6–7(5–7), [10–8] in the final.

Seeds
• # 🇪🇨 Diego Hidalgo / 🇨🇴 Cristian Rodríguez (quarterfinals)

• # 🇪🇸 Adrián Menéndez Maceiras / 🇪🇸 Mario Vilella Martínez (final)

• # 🇪🇸 Eduard Esteve Lobato / 🇪🇸 Oriol Roca Batalla (first round)

• # 🇪🇨 Emilio Gómez / 🇪🇨 Roberto Quiroz (first round)