Around the globe, Zvonko (Zvonko 
, Звонко 
) is a common boy's given name. The first name Zvonko is habitual in Southern Europe, particularly Croatia, where it is a common masculine name, Montenegro, where it is quite a common masculine name, and Slovenia. Measured by absolute frequency, the name is most common in Southern Europe, particularly Croatia, Serbia, and Slovenia. Very seldom, Zvonko is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Zvonko | Serbia, North Macedonia, Bosnia and Herzegovina, Croatia, Slovenia |
| Звонко | Kazakhstan, Serbia, Ukraine, Belarus, Russia |
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zvonko bezjak Croatian-Yugoslav hammer thrower, HR (b. 1935) |
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| zvonko novak SI (b. 1882) |
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zvonko bušić Croatian, US (b. 1946) |
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zvonko kusić Croatian physician, HR (b. 1946) |
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zvonko maković Croatian art historian, poet, and essayist, HR (b. 1947) |
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| zvonko milković (b. 1888) |
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zvonko kovač Croatian literary historian and linguist, HR (b. 1951) |
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zvonko plepelić DE (b. 1945) |
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zvonko kalezić association football player, ME (b. 1957) |
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| zvonko jazbec Yugoslavian footballer (1911-1970), US (b. 1911) |
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| zvonko brkić Yugoslav-Croatian politician (1912-1977), HR (b. 1912) |
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| zvonko car Croatian sculptor, painter, HR (b. 1913) |
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| zvonko strmac actor (b. 1918) |
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| zvonko canjuga Croatian footballer, HR (b. 1921) |
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| zvonko springer 1925- (b. 1925) |
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Maric, Novosel, Šimić, Žabkar, Markovic, Mustafic, Cindrić, Korošec, Knezevic, Petrovic, Rukavina, Vuković, Vukelić, Marković, Kovačić, Pavlović, Perković, Petrović, Pintarić, Jovanovic, Jurković, Knežević, Nikolic, Živković, Božić, Salopek, Babic, Kolar, Kralj, Juras, Juric, Tomic, Novak, Varga, Marić, Matić, Babić, Bogdan, Kovač, Pavić, Radić, Galić, Grgić, Jurić, Jukić, Horvat, Župan, Barisic, and Kovačević