2021 Internazionali di Tennis Città di Trieste – Doubles

Ariel Behar and Andrey Golubev were the defending champions[1] but chose not to defend their title.

Orlando Luz and Felipe Meligeni Alves won the title after defeating Antoine Hoang and Albano Olivetti 7–5, 6–7(6–8), [10–5] in the final.