2021 Maia Challenger – Doubles

Zdeněk Kolář and Andrea Vavassori were the defending champions but chose not to defend their title.

Nuno Borges and Francisco Cabral won the title after defeating Andrej Martin and Gonçalo Oliveira 6–3, 6–4 in the final.

Seeds
• # 🇸🇰 Andrej Martin / Gonçalo Oliveira (final)

• # Nuno Borges /  Francisco Cabral (champions)

• # 🇧🇪 Kimmer Coppejans / Mats Hermans (quarterfinals)

• # 🇷🇺 Ivan Gakhov / 🇦🇹 David Pichler (quarterfinals)