Cognomen コロンボ (Colombo 
, Colomb , Columbu ) , in the entire world, is a widespread surname. The last name コロンボ is characteristic of Italy, where it is a common surname, Argentina, where it is quite a common surname, and Uruguay (explore the name in all countries). Measured by absolute frequency, the name is most common in Italy, Brazil, and Argentina. Much less frequently, コロンボ is the forename as well as the last name.