2021 Internazionali di Tennis del Friuli Venezia Giulia – Doubles

Ariel Behar and Andrey Golubev were the defending champions but chose not to defend their title.

Orlando Luz and Rafael Matos won the title after defeating Sergio Galdós and Renzo Olivo 6–4, 7–6(7–5) in the final.

Seeds
• # 🇧🇷 Orlando Luz / 🇧🇷 Rafael Matos (champions)

• # 🇨🇿 Zdeněk Kolář / 🇻🇪 Luis David Martínez (semifinals)

• # 🇺🇸 Robert Galloway / 🇺🇸 Alex Lawson (first round)

• # 🇺🇸 Evan King / 🇺🇸 Max Schnur (semifinals)