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Worldwide, Alfonso Ernesto (Alfonso Ernesto
) is a rare masculine forename. The first name Alfonso Ernesto is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a rare masculine name, and Peru, where it is a rare male name. Much less frequently, Alfonso Ernesto is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Alfonso Ernesto | Mexico, Ecuador, Chile, Peru, Costa Rica |