2025 Croatia Open Umag – Doubles
| Doubles | |
|---|---|
| 2025 Croatia Open Umag | |
| Champions | Romain Arneodo Manuel Guinard |
| Runners-up | Patrik Trhac Marcus Willis |
| Score | 7−5, 7−6(7−2) |
| Draw | 16 |
| Seeds | 4 |
Romain Arneodo and Manuel Guinard defeated Patrik Trhac and Marcus Willis in the final, 7−5, 7−6(7−2) to win the doubles tennis title at the 2025 Croatia Open Umag. It was the third ATP Tour doubles title for Arneodo and second for Guinard.
Guido Andreozzi and Miguel Ángel Reyes-Varela were the reigning champions, but Reyes-Varela chose to participate in Kitzbühel instead. Andreozzi partnered Sander Arends, but lost in the first round to Trhac and Willis.