2005 Croatia Open Umag – Doubles

José Acasuso and Flávio Saretta were the defending champions, but none competed this year.

Jiří Novák and Petr Pála won the title by defeating Michal Mertiňák and David Škoch 6–3, 6–3 in the final.

Seeds
• # 🇨🇿 Jiří Novák / 🇨🇿 Petr Pála (champions)

• # 🇵🇱 Mariusz Fyrstenberg / 🇵🇱 Marcin Matkowski (first round)

• # 🇮🇹 Massimo Bertolini / 🇧🇪 Tom Vanhoudt (first round)

• # 🇫🇮 Jarkko Nieminen / Rogier Wassen (quarterfinals)