2021 Amex-Istanbul Challenger II – Doubles

André Göransson and David Pel were the defending champions but chose not to defend their title.

Radu Albot and Alexander Cozbinov won the title after defeating Antonio Šančić and Artem Sitak 4–6, 7–5, [11–9] in the final.

Seeds
• # Antonio Šančić / 🇳🇿 Artem Sitak (final)

• # 🇺🇸 James Cerretani / 🇩🇪 Fabian Fallert (semifinals)

• # 🇰🇿 Alexander Bublik / 🇷🇺 Daniil Golubev (first round)

• # Ruben Gonzales / 🇺🇸 Hunter Johnson (semifinals)