2021 Maia Challenger II – Doubles

Nuno Borges and Francisco Cabral were the defending champions and successfully defended their title, defeating Piotr Matuszewski and David Pichler 6–4, 7–5 in the final.

Seeds
• # 🇦🇹 Alexander Erler / 🇪🇸 David Vega Hernández (quarterfinals, withdrew)

• # 🇫🇷 Sadio Doumbia / 🇫🇷 Fabien Reboul (semifinals)

• # 🇸🇰 Andrej Martin / Gonçalo Oliveira (quarterfinals)

• # 🇮🇹 Marco Bortolotti / 🇪🇸 Sergio Martos Gornés (first round)