Cognomen Bjelajac (Bjelajac 
) , all around the world, is quite a rare family name. The family name Bjelajac is habitual in Southern Europe, particularly Bosnia and Herzegovina, where it is quite a common surname, Serbia, and Croatia, where it is quite a rare surname.
| VARIANT | COUNTRY |
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| Bjelajac | Bosnia and Herzegovina, United States, Croatia, Serbia, Montenegro |
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mile bjelajac (b. 1955) |
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| stanko bjelajac HR (b. 1912) |
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| milan bjelajac chess player (b. 1948) |
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| slobodan bjelajac Croatian basketball player, HR |
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| adrijana koscec bjelajac researcher ORCID ID = 0000-0003-0547-0047 |
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| edvard bjelajac SI |
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Mr, Dana, Duã, Gina, Luna, Jana, John, Tina, Nada, Nina, Dean, Hana, Ivan, Igor, Marcy, Marko, Milan, Milka, Milja, Sanja, Saša, Vaso, Rade, Pero, Paul, Ms, Ana, Amy, Ben, Leo, Tea, Nik, Eva, Vuk, Mara, Maja, Mira, Miro, Sara, Sasa, Stan, Alex, Anja, Cris, Boja, Kiki, Susan, and Stevo