Cognomen Kljajević (Kljajević 
) , all around the world, is a rare family name. The last name Kljajević is habitual in Southern Europe, particularly Montenegro, where it is quite a common surname, Serbia, where it is quite a rare surname, and Croatia, where it is a very rare surname.
| božidar kljajević (b. 1953) |
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| miloje kljajević Bosnian football manager, ME (b. 1968) |
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| srđan kljajević Montenegrin footballer, ME (b. 1974) |
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| ljiljana kljajević researcher (ORCID 0000-0002-0689-4645) |
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| ljiljana kljajević researcher (ORCID 0000-0003-4678-0420) |
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| željko kljajević Montenegrin footballer, RS (b. 1984) |
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| marko kljajević montenegrin basketball player, ME |
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