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Worldwide, Efrain Alfonso (Efrain Alfonso
) is a rare boy's forename. The first name Efrain Alfonso is habitual in Latin America and the Caribbean, particularly Costa Rica, where it is a rare masculine name, Chile, and Peru, where it is a very rare male name. Not in comparison with a country's population, the name is most common in Latin America and the Caribbean, particularly Chile, Peru, and Colombia. Much less frequently, Efrain Alfonso is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Efrain Alfonso | Colombia, Ecuador, Chile, Peru, Costa Rica |
Vidal, Campo Torres, Peralta Rivera, Zapata Cardona, and Gonzalez Cares