| 2010 ATP Studena Croatia Open Umag | |
|---|---|
| Date | 26 July – 1 August |
| Edition | 21st |
| Category | ATP World Tour 250 |
| Surface | Clay / outdoor |
| Location | Umag, Croatia |
| Venue | International Tennis Center |
| Champions | |
| Singles | |
 Juan Carlos Ferrero | |
| Doubles | |
 Leoš Friedl /  Filip Polášek | |
The 2010 Studena Croatia Open Umag was a tennis tournament played on outdoor clay courts. It was the 21st edition of the Croatia Open Umag, and was part of the ATP World Tour 250 Series of the 2010 ATP World Tour. It took place at the International Tennis Center in Umag, Croatia, from July 26 through August 1, 2010.