Cognomen ألفة (Olfa 
, ألفة ) , in the entire world, is quite a common family name. The family name ألفة is characteristic of Tunisia, where it is quite a common surname, Venezuela, where it is a rare surname, and Nicaragua. Measured by absolute frequency, this name is the most popular in Tunisia, Mexico, and Venezuela. More frequently, ألفة is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olfa | France, United Arab Emirates, Venezuela, Tunisia, Mexico |
| ألفة | Tunisia |