Surname Helmut Mariano (Helmut Mariano 
) , around the world, is an extremely rare family name. The surname Helmut Mariano is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Likewise, Helmut Mariano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Helmut Mariano | Chile |