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Worldwide, Gustavo Adan (Gustavo Adan
) is a very rare male first name. The forename Gustavo Adan is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare masculine name, and Peru, where it is a very rare masculine name. Much less frequently, Gustavo Adan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gustavo Adan | Colombia, Mexico, Ecuador, Chile, Peru |
Lopez, and Estay Arancibia