Cognomen Mariano Claudio (Mariano Claudio 
) , globally, is an extremely rare family name. The family name Mariano Claudio is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Mariano Claudio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mariano Claudio | Peru, Argentina, Chile, Ecuador, Costa Rica |