2021 Rio Tennis Classic – Doubles

Máximo González and Fabrício Neis were the defending champions but chose not to defend their title.

Orlando Luz and Rafael Matos won the title after defeating James Cerretani and Fernando Romboli 6–3, 7–6(7–2) in the final.

Seeds
• # 🇧🇷 Orlando Luz / 🇧🇷 Rafael Matos (champions)

• # 🇺🇸 James Cerretani / 🇧🇷 Fernando Romboli (final)

• # 🇨🇴 Nicolás Barrientos / 🇨🇴 Alejandro Gómez (first round)

• # 🇵🇪 Alexander Merino / 🇧🇴 Federico Zeballos (semifinals)