2023 Internazionali di Tennis Città di Trieste – Doubles

Diego Hidalgo and Cristian Rodríguez were the defending champions but chose not to defend their title.

Matthew Romios and Jason Taylor won the title after defeating Marco Bortolotti and Andrea Pellegrino 4–6, 7–5, [10–6] in the final.

Seeds
• # 🇦🇷 Guido Andreozzi / 🇵🇰 Aisam-ul-Haq Qureshi (quarterfinals)

• # 🇮🇹 Marco Bortolotti / 🇮🇹 Andrea Pellegrino (final)

• # 🇧🇷 Fernando Romboli / 🇧🇷 Marcelo Zormann (first round)

• # 🇦🇺 Matthew Romios / 🇦🇺 Jason Taylor (champions)