Cognomen Leonel Eugenio (Leonel Eugenio 
) , in all the world, is a very rare last name. The family name Leonel Eugenio is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname. More frequently, Leonel Eugenio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leonel Eugenio | Ecuador, Chile, Peru, Costa Rica |