Family name كلاوديو (Claudio 
, Claudiu 
, Cláudio 
, among others...) , in the world, is a widespread surname. The surname كلاوديو is habitual in Argentina, where it is quite a common surname, Romania, and Puerto Rico (explore the name in all countries). Not in comparison with a country's population, the name is most common in Mexico, Argentina, and Romania. More prevalently, كلاوديو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Claudio | Brazil, Argentina, Mexico, Romania, Italy |
| Claudiu | Brazil, Romania, Philippines, Italy, Spain |
| Cláudio | Brazil, Argentina, Angola, Mexico, Italy |
| Klaudio | Brazil, Argentina, Peru, Mexico, Italy |