Family name Hajlaoui (Hajlaoui 
, الحجلاوي ) , all around the world, is quite a rare cognomen. The family name Hajlaoui is characteristic of Tunisia, where it is quite a common surname, Morocco, where it is a rare surname, and Belgium. Not in comparison with a country's population, it is commonest in Tunisia, Morocco, and France. Much less frequently, Hajlaoui is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hajlaoui | Belgium, Tunisia, Morocco, Italy, France |
| الحجلاوي | Tunisia |
| mohamed rabeh hajlaoui Tunisian researcher, TN (b. 1965) |
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| amani hajlaoui researcher |
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| hichem hajlaoui researcher |
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