Cognomen Juvenal Humberto (Juvenal Humberto 
) , in the world, is a very rare family name. The family name Juvenal Humberto is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname. More prevalently, Juvenal Humberto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Juvenal Humberto | Peru, Chile, Ecuador |