2021 Cassis Open Provence – Doubles

André Göransson and Sem Verbeek were the defending champions but chose not to defend their title.

Sriram Balaji and Ramkumar Ramanathan won the title after defeating Hans Hach Verdugo and Miguel Ángel Reyes-Varela 6–4, 3–6, [10–6] in the final.

Seeds
• # Romain Arneodo / 🇫🇷 Albano Olivetti (quarterfinals)

• # 🇲🇽 Hans Hach Verdugo / 🇲🇽 Miguel Ángel Reyes-Varela (final)

• # 🇮🇳 Sriram Balaji / 🇮🇳 Ramkumar Ramanathan (champions)

• # 🇮🇳 Jeevan Nedunchezhiyan / 🇮🇳 Purav Raja (first round)