Family name Mario Gualberto (Mario Gualberto 
) , in all the world, is an extremely rare last name. The surname Mario Gualberto is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Predominantly, Mario Gualberto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mario Gualberto | Peru, Argentina, Chile, Mexico, Ecuador |