In the entire world, Nedjeljko (Nedjeljko 
) is quite a rare boy's given name. The given name Nedjeljko is habitual in Croatia, where it is quite a common boy's name, Montenegro, and the United States, where it is an extremely rare male name.
| VARIANT | COUNTRY |
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| Nedjeljko | Serbia, Croatia, United States, Bosnia and Herzegovina, Montenegro |
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nedjeljko fabrio HR (b. 1937) |
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| nedjeljko mihanović Croatian writer, historian and literary theorist, screenwriter, literary editor and politician, president of the Croatian Parliament, HR (b. 1930) |
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| nedjeljko perić Croatian engineer, BA (b. 1950) |
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| nedjeljko ančić HR (b. 1948) |
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| nedjeljko jusup (b. 1951) |
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| nedjeljko ostarčević Croatian basketball player, HR |
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| nedjeljko subotić |
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| nedjeljko frančula |
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| nedjeljko nedić HR |
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| nedjeljko martinović |
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| nedjeljko dugonjić vrhovčić |
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Beg, Šarić, Špilek, Maretić, Mudronja, Bilonić, Plazonić, Gabelica, Jerončić, Vuletić, Šunjić, Marušić, Sambunjak, Barišić, Petrović, Prtenjača, Jurišić, Torbarina, Marasović, Krivokapic, Žarković, Samardžić, Lončar, Kovačević, Pizurica, Ćendo, Zec, Roso, Milas, Valen, Vrkić, Ilić, Marić, Matić, Balić, Babić, Perić, Puljiz, Radić, Romić, Rogić, Gudelj, Lalić, Lompar, Jukić, Tokić, Čotić, Božić, and Šimunović