Family name קלאודיו (Claudio 
, Claudiu 
, Klaudio 
) , all over the world, is a widespread cognomen. The last name קלאודיו is habitual in Argentina, where it is quite a common surname, Romania, and Puerto Rico (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Mexico, Argentina, and Romania. More frequently, קלאודיו is the forename as well as the last name.