2021 Dutch Open – Doubles

Harri Heliövaara and Emil Ruusuvuori were the defending champions but chose not to defend their title.

Luca Castelnuovo and Manuel Guinard won the title after defeating Sergio Galdós and Gonçalo Oliveira 0–6, 6–4, [11–9] in the final.

Seeds
• # 🇵🇪 Sergio Galdós / Gonçalo Oliveira (final)

• # 🇩🇪 Dustin Brown / 🇦🇹 Tristan-Samuel Weissborn (semifinals)

• # 🇦🇷 Guido Andreozzi / 🇦🇷 Guillermo Durán (first round)

• # 🇪🇨 Diego Hidalgo / 🇪🇸 Sergio Martos Gornés (first round)