| Croatia Open | |
|---|---|
 | |
| ATP Tour | |
| Founded | 1990 |
| Editions | 33 (2023) |
| Location | Umag Croatia |
| Venue | ITC Stella Maris |
| Category | ATP Tour 250 / ATP International Series / ATP World Series (1990–current) |
| Surface | Clay / outdoors |
| Draw | 28S/16Q/16D |
| Prize money | €579,320 (2024) |
| Website | croatiaopen.hr |
| Current champions (2024) | |
| Singles |  Francisco Cerúndolo |
| Doubles | Guido Andreozzi Miguel Ángel Reyes-Varela |
The Croatia Open (currently sponsored by Plava laguna) is a men's ATP tennis tournament held in Umag, Croatia that is part of the 250 series of the ATP Tour.
The tournament began in 1990 when it was part of Yugoslavia, and is the oldest tennis tournament in Croatia. It began as the Yugoslav Open and has been played every year since. It is played on outdoor red clay courts. Carlos Moyá has won the tournament a record five times; he also holds the record for the most consecutive wins at three. His most recent win was in 2007. In 2016, the centre court stadium was named after Croatian tennis player Goran Ivanišević.