Globally, Ervin Alfonso (Ervin Alfonso 
) is a very rare boy's forename. The given name Ervin Alfonso is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare boy's name. Much less frequently, Ervin Alfonso is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ervin Alfonso | Ecuador, Chile, Philippines, Costa Rica |