Family name Humberto Alexander (Humberto Alexander 
) , across the world, is a very rare cognomen. The cognomen Humberto Alexander is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Humberto Alexander is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Humberto Alexander | El Salvador, Ecuador, Chile, Peru, Costa Rica |