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Surname Ostacio (Ostacio
) , worldwide, is a very rare cognomen. The surname Ostacio is habitual in Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, Nicaragua, and Brazil, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Latin America and the Caribbean, particularly Brazil, Venezuela, and Mexico. More prevalently, Ostacio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ostacio | Philippines, Brazil, Mexico, Ecuador, Venezuela |