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Globally, Mario Leon (Mario Leon
) is a rare boy's forename. The given name Mario Leon is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare male name, Colombia, where it is a very rare male name, and Peru. Much less frequently, Mario Leon is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mario Leon | Spain, Ecuador, Colombia, Chile, Peru |
Perez, Narag, Cajade, Quispe, Zedillo, Spreafico, Jaramillo, Alzate Carmona, Villegas Vasquez, and Fernandez Gonzalez