Cognomen Adan Alfredo (Adan Alfredo 
) , worldwide, is a very rare surname. The surname Adan Alfredo is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Adan Alfredo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adan Alfredo | Costa Rica, Mexico, Chile, Ecuador, Peru |