Surname فلاق (Fellag 
, فلاق 
) , in the entire world, is quite a rare family name. The cognomen فلاق is characteristic of Algeria, where it is quite a rare surname, Libya, and France, where it is a rare surname. Much less frequently, فلاق is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fellag | Belgium, Algeria, Spain, United States, France |
| فلاق | Morocco, Algeria, Libya |