Surname Cosme Alberto (Cosme Alberto 
) , all over the world, is an extremely rare cognomen. The last name Cosme Alberto is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Cosme Alberto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cosme Alberto | Brazil, Chile, Peru, Ecuador, Costa Rica |