Cognomen Catalin Claudiu (Catalin Claudiu 
) , throughout the world, is a very rare surname. The surname Catalin Claudiu is characteristic of Eastern Europe, particularly Romania, where it is a rare surname. More prevalently, Catalin Claudiu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Catalin Claudiu | Romania, Ukraine, Spain |