2021 Open Quimper Bretagne II – Doubles

Grégoire Barrère and Albano Olivetti were the defending champions but lost in the first round to Ruben Bemelmans and Daniel Masur.

Bemelmans and Masur won the title after defeating Brandon Nakashima and Hunter Reese 6–2, 6–1 in the final.

This event was the second edition of the Open Quimper Bretagne in 2021 after the Open d'Orléans was delayed due to the COVID-19 pandemic in France.

Seeds
• # 🇺🇸 Nathaniel Lammons / 🇺🇸 Jackson Withrow (first round)

• # Sander Arends / 🇨🇿 Roman Jebavý (first round)

• # 🇵🇱 Karol Drzewiecki / 🇵🇱 Szymon Walków (quarterfinals)

• # 🇫🇷 Grégoire Barrère / 🇫🇷 Albano Olivetti (first round)