2021 BGL Luxembourg Open – Doubles

Coco Gauff and Caty McNally were the reigning champions, having won the last edition in 2019, but chose not to defend their title.

Greet Minnen and Alison Van Uytvanck won the title, defeating Erin Routliffe and Kimberley Zimmermann in the final, 6–3, 6–3.

Seeds
• # 🇨🇿 Marie Bouzková / 🇨🇿 Lucie Hradecká (quarterfinals)

• # 🇮🇳 Sania Mirza / 🇨🇳 Zhang Shuai (quarterfinals)

• # 🇯🇵 Eri Hozumi / 🇯🇵 Makoto Ninomiya (semifinals)

• # 🇧🇾 Lidziya Marozava / 🇷🇴 Andreea Mitu (first round)