In the world, Elfidio (Elfidio 
) is a rare boy's first name. The first name Elfidio is characteristic of Bolivia, where it is a rare boy's name, Argentina, and Philippines, where it is a very rare boy's name. Much less frequently, Elfidio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Elfidio | Bolivia, Philippines, Spain, Guatemala, Argentina |
| elfidio alonso rodriguez Spanish politician, ES (b. 1905) |
|
|
| elfidio alonso quintero ES (b. 1935) |
|