2021 Oeiras Ladies Open – Doubles

This was the first edition of the tournament.

Lidziya Marozava and Andreea Mitu won the title, defeating Marina Melnikova and Conny Perrin in the final, 3–6, 6–4, [10–3].

Seeds
• # 🇧🇾 Lidziya Marozava / 🇷🇴 Andreea Mitu (champions)

• # 🇪🇸 Georgina García Pérez / 🇱🇺 Mandy Minella (quarterfinals)

• # 🇭🇺 Réka Luca Jani / 🇨🇿 Renata Voráčová (first round)

• # Sofia Shapatava / 🇬🇧 Emily Webley-Smith (quarterfinals)