2021 Open Sopra Steria de Lyon – Doubles

Philipp Oswald and Filip Polášek were the defending champions but chose not to defend their title.

Martín and Pablo Cuevas won the title after defeating Tristan Lamasine and Albano Olivetti 6–3, 7–6(7–2) in the final.

Seeds
• # 🇧🇷 Fernando Romboli / 🇪🇸 David Vega Hernández (semifinals)

• # 🇺🇸 Evan King / 🇺🇸 Hunter Reese (first round)

• # 🇫🇷 Sadio Doumbia / 🇫🇷 Fabien Reboul (first round)

• # 🇵🇱 Szymon Walków / 🇵🇱 Jan Zieliński (semifinals)