Family name Leonel Alfonso (Leonel Alfonso 
) , worldwide, is a rare last name. The surname Leonel Alfonso is characteristic of Chile, where it is a rare surname, and Spain, where it is an extremely rare surname. More prevalently, Leonel Alfonso is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leonel Alfonso | Costa Rica, Peru, Colombia, Ecuador, Chile |