2021 Bucharest Challenger – Doubles

This was the first edition of the tournament.

Ruben Gonzales and Hunter Johnson won the title after defeating Maximilian Marterer and Lukáš Rosol 1–6, 6–2, [10–3] in the final.

Seeds
• # 🇺🇸 James Cerretani / Luca Margaroli (semifinals)

• # 🇦🇹 Alexander Erler / 🇦🇹 Lucas Miedler (quarterfinals)

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

• # 🇺🇦 Vitaliy Sachko / Nino Serdarušić (withdrew)