Surname Herman Leoncio (Herman Leoncio 
) , all around the world, is an extremely rare last name. The last name Herman Leoncio is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More frequently, Herman Leoncio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Herman Leoncio | Peru, Ecuador, Chile |