See main article: 2021 Teréga Open Pau–Pyrénées.
Benjamin Bonzi and Antoine Hoang were the defending champions[1] but chose not to defend their title.
Romain Arneodo and Tristan-Samuel Weissborn won the title after defeating Aisam-ul-Haq Qureshi and David Vega Hernández 6–4, 6–2 in the final.