Family name Halilaj (Halilaj 
) , globally, is quite a rare last name. The last name Halilaj is habitual in Albania, where it is quite a common surname, Kosovo, and Slovenia, where it is quite a rare surname. In absolute terms, the name is most common in Albania, Kosovo, and Greece.
| VARIANT | COUNTRY |
|---|---|
| Halilaj | Serbia, Kosovo, Italy, Greece, Albania |
|
erga halilaj Albanian singer and pianist (b. 1987) |
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| ragip halilaj (b. 1967) |
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| erando halilaj college basketball player (2015–2015) Fordham |
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| petrit halilaj Kosovar visual artist, XK (b. 1986) |
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| hasan halilaj AL |
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| bekim halilaj |
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| donjeta halilaj Kosovar association football player, XK |
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