2021 Engie Open de Biarritz – Doubles
| Doubles | |
|---|---|
| 2021 Engie Open de Biarritz | |
| Champions | Oksana Selekhmeteva Daniela Vismane |
| Runners-up | Sarah Beth Grey Magali Kempen |
| Score | 6–3, 7–6(7–5) |
Manon Arcangioli and Kimberley Zimmermann were the defending champions for the 2021 Engie Open de Biarritz, having won the previous edition in 2019. However, both players chose not to participate in the 2021 edition of the women's tennis tournament played on outdoor clay courts in Biarritz, France.
Oksana Selekhmeteva and Daniela Vismane won the title, defeating Sarah Beth Grey and Magali Kempen in the final, 6–3, 7–6(7–5).