Cognomen Kaloper (Kaloper 
) , throughout the world, is a rare last name. The family name Kaloper is habitual in Croatia, where it is quite a rare surname, Slovenia, and Uruguay, where it is a rare surname. In absolute terms, the name is most common in Croatia, the United States, and Slovenia. Also, Kaloper is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kaloper | Madagascar, Uruguay, United States, Croatia, Slovenia |
| jagoda kaloper Croatian actress (1947-2016), HR (b. 1947) |
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| slobodan kaloper SI (b. 1950) |
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| nemanja kaloper researcher, ORCID id # 0000-0002-2945-2233 |
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| duĊĦan kaloper SI |
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