Last name Alfr (Auf 
, Alv 
, Elfe 
) , in the entire world, is quite a common cognomen. The family name Alfr is characteristic of Maldives, where it is quite a common surname, Guatemala, where it is quite a rare surname, and Egypt. In absolute terms, it is the most numerous in Egypt, Indonesia, and Guatemala. Much less frequently, Alfr is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Auf | Saudi Arabia, Egypt, United States, Indonesia, Syria |
| Alv | Saudi Arabia, Mexico, Guatemala, Pakistan, Indonesia |
| Elfe | Philippines, Mexico, France, Ethiopia, United States |
| Alfr | Saudi Arabia, Italy, Mexico, United States, Thailand |