2021 Aberto da República – Men's doubles

This was the first edition of the tournament.

Mateus Alves and Gustavo Heide won the title after defeating Luciano Darderi and Genaro Alberto Olivieri 6–3, 6–3 in the final.

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

• # 🇻🇪 Luis David Martínez / 🇧🇷 Fernando Romboli (first round)

• # 🇺🇸 James Cerretani / Luca Margaroli (first round)

• # Mark Vervoort / 🇧🇴 Federico Zeballos (first round)