Surname Alfonso Leon (Alfonso Leon 
) , all around the world, is a very rare cognomen. The family name Alfonso Leon is characteristic of Ecuador, where it is a very rare surname, Chile, and Spain. In absolute terms, it is commonest in Spain, Colombia, and Ecuador. Likewise, Alfonso Leon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alfonso Leon | Colombia, Spain, Chile, Mexico, Ecuador |